Home / 89,835.10-123,972.23-54,045.88

Finding the Fourth Proportional to 89,835.10, 123,972.23 and 54,045.88

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Solution

The fourth proportional to 89,835.10, 123,972.23 and 54,045.88 is: 74,583.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,835.10 : 123,972.23 = 54,045.88 : x
  2. Step 2: Convert to fraction form
    89,835.10/123,972.23 = 54,045.88/x
  3. Step 3: Cross multiply
    89,835.10x = 123,972.23 × 54,045.88
  4. Step 4: Simplify right side
    89,835.10x = 6,700,188,265.91
  5. Step 5: Solve for x
    x = 6,700,188,265.91/89,835.10
  6. Step 6: Final answer
    x = 74,583.19

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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.