Home / 89,402.92-123,376.08-49,119.28

Finding the Fourth Proportional to 89,402.92, 123,376.08 and 49,119.28

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Solution

The fourth proportional to 89,402.92, 123,376.08 and 49,119.28 is: 67,784.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,402.92 : 123,376.08 = 49,119.28 : x
  2. Step 2: Convert to fraction form
    89,402.92/123,376.08 = 49,119.28/x
  3. Step 3: Cross multiply
    89,402.92x = 123,376.08 × 49,119.28
  4. Step 4: Simplify right side
    89,402.92x = 6,060,144,218.82
  5. Step 5: Solve for x
    x = 6,060,144,218.82/89,402.92
  6. Step 6: Final answer
    x = 67,784.63

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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.