Home / 86,066.11-129,046.31-29,882.08

Finding the Fourth Proportional to 86,066.11, 129,046.31 and 29,882.08

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Solution

The fourth proportional to 86,066.11, 129,046.31 and 29,882.08 is: 44,804.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,066.11 : 129,046.31 = 29,882.08 : x
  2. Step 2: Convert to fraction form
    86,066.11/129,046.31 = 29,882.08/x
  3. Step 3: Cross multiply
    86,066.11x = 129,046.31 × 29,882.08
  4. Step 4: Simplify right side
    86,066.11x = 3,856,172,159.12
  5. Step 5: Solve for x
    x = 3,856,172,159.12/86,066.11
  6. Step 6: Final answer
    x = 44,804.77

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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.