Home / 86,066.74-129,047.25-29,882.71

Finding the Fourth Proportional to 86,066.74, 129,047.25 and 29,882.71

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Solution

The fourth proportional to 86,066.74, 129,047.25 and 29,882.71 is: 44,805.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,066.74 : 129,047.25 = 29,882.71 : x
  2. Step 2: Convert to fraction form
    86,066.74/129,047.25 = 29,882.71/x
  3. Step 3: Cross multiply
    86,066.74x = 129,047.25 × 29,882.71
  4. Step 4: Simplify right side
    86,066.74x = 3,856,281,548.05
  5. Step 5: Solve for x
    x = 3,856,281,548.05/86,066.74
  6. Step 6: Final answer
    x = 44,805.71

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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.