Home / 82,755.29-124,035.73-38,288.11

Finding the Fourth Proportional to 82,755.29, 124,035.73 and 38,288.11

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Solution

The fourth proportional to 82,755.29, 124,035.73 and 38,288.11 is: 57,387.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,755.29 : 124,035.73 = 38,288.11 : x
  2. Step 2: Convert to fraction form
    82,755.29/124,035.73 = 38,288.11/x
  3. Step 3: Cross multiply
    82,755.29x = 124,035.73 × 38,288.11
  4. Step 4: Simplify right side
    82,755.29x = 4,749,093,674.17
  5. Step 5: Solve for x
    x = 4,749,093,674.17/82,755.29
  6. Step 6: Final answer
    x = 57,387.19

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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.