Home / 86,107.44-129,160.96-23,777.76

Finding the Fourth Proportional to 86,107.44, 129,160.96 and 23,777.76

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Solution

The fourth proportional to 86,107.44, 129,160.96 and 23,777.76 is: 35,666.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,107.44 : 129,160.96 = 23,777.76 : x
  2. Step 2: Convert to fraction form
    86,107.44/129,160.96 = 23,777.76/x
  3. Step 3: Cross multiply
    86,107.44x = 129,160.96 × 23,777.76
  4. Step 4: Simplify right side
    86,107.44x = 3,071,158,308.25
  5. Step 5: Solve for x
    x = 3,071,158,308.25/86,107.44
  6. Step 6: Final answer
    x = 35,666.58

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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.