Home / 86,206.26-129,309.38-23,876.76

Finding the Fourth Proportional to 86,206.26, 129,309.38 and 23,876.76

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Solution

The fourth proportional to 86,206.26, 129,309.38 and 23,876.76 is: 35,815.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,206.26 : 129,309.38 = 23,876.76 : x
  2. Step 2: Convert to fraction form
    86,206.26/129,309.38 = 23,876.76/x
  3. Step 3: Cross multiply
    86,206.26x = 129,309.38 × 23,876.76
  4. Step 4: Simplify right side
    86,206.26x = 3,087,489,032.01
  5. Step 5: Solve for x
    x = 3,087,489,032.01/86,206.26
  6. Step 6: Final answer
    x = 35,815.14

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.