Home / 86,250.29-129,331.67-39,463.07

Finding the Fourth Proportional to 86,250.29, 129,331.67 and 39,463.07

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Solution

The fourth proportional to 86,250.29, 129,331.67 and 39,463.07 is: 59,174.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,250.29 : 129,331.67 = 39,463.07 : x
  2. Step 2: Convert to fraction form
    86,250.29/129,331.67 = 39,463.07/x
  3. Step 3: Cross multiply
    86,250.29x = 129,331.67 × 39,463.07
  4. Step 4: Simplify right side
    86,250.29x = 5,103,824,746.43
  5. Step 5: Solve for x
    x = 5,103,824,746.43/86,250.29
  6. Step 6: Final answer
    x = 59,174.58

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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.