Home / 90,394.11-124,588.08-60,125.31

Finding the Fourth Proportional to 90,394.11, 124,588.08 and 60,125.31

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Solution

The fourth proportional to 90,394.11, 124,588.08 and 60,125.31 is: 82,869.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,394.11 : 124,588.08 = 60,125.31 : x
  2. Step 2: Convert to fraction form
    90,394.11/124,588.08 = 60,125.31/x
  3. Step 3: Cross multiply
    90,394.11x = 124,588.08 × 60,125.31
  4. Step 4: Simplify right side
    90,394.11x = 7,490,896,932.30
  5. Step 5: Solve for x
    x = 7,490,896,932.30/90,394.11
  6. Step 6: Final answer
    x = 82,869.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.