Home / 89,842.17-123,982.95-49,557.30

Finding the Fourth Proportional to 89,842.17, 123,982.95 and 49,557.30

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Solution

The fourth proportional to 89,842.17, 123,982.95 and 49,557.30 is: 68,389.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,842.17 : 123,982.95 = 49,557.30 : x
  2. Step 2: Convert to fraction form
    89,842.17/123,982.95 = 49,557.30/x
  3. Step 3: Cross multiply
    89,842.17x = 123,982.95 × 49,557.30
  4. Step 4: Simplify right side
    89,842.17x = 6,144,260,248.04
  5. Step 5: Solve for x
    x = 6,144,260,248.04/89,842.17
  6. Step 6: Final answer
    x = 68,389.49

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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.