Home / 86,284.88-129,428.04-23,960.24

Finding the Fourth Proportional to 86,284.88, 129,428.04 and 23,960.24

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Solution

The fourth proportional to 86,284.88, 129,428.04 and 23,960.24 is: 35,940.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,284.88 : 129,428.04 = 23,960.24 : x
  2. Step 2: Convert to fraction form
    86,284.88/129,428.04 = 23,960.24/x
  3. Step 3: Cross multiply
    86,284.88x = 129,428.04 × 23,960.24
  4. Step 4: Simplify right side
    86,284.88x = 3,101,126,901.13
  5. Step 5: Solve for x
    x = 3,101,126,901.13/86,284.88
  6. Step 6: Final answer
    x = 35,940.56

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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.