Home / 87,944.84-121,369.90-49,691.16

Finding the Fourth Proportional to 87,944.84, 121,369.90 and 49,691.16

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Solution

The fourth proportional to 87,944.84, 121,369.90 and 49,691.16 is: 68,577.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,944.84 : 121,369.90 = 49,691.16 : x
  2. Step 2: Convert to fraction form
    87,944.84/121,369.90 = 49,691.16/x
  3. Step 3: Cross multiply
    87,944.84x = 121,369.90 × 49,691.16
  4. Step 4: Simplify right side
    87,944.84x = 6,031,011,120.08
  5. Step 5: Solve for x
    x = 6,031,011,120.08/87,944.84
  6. Step 6: Final answer
    x = 68,577.20

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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.