Home / 87,627.40-120,925.68-49,901.64

Finding the Fourth Proportional to 87,627.40, 120,925.68 and 49,901.64

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Solution

The fourth proportional to 87,627.40, 120,925.68 and 49,901.64 is: 68,864.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,627.40 : 120,925.68 = 49,901.64 : x
  2. Step 2: Convert to fraction form
    87,627.40/120,925.68 = 49,901.64/x
  3. Step 3: Cross multiply
    87,627.40x = 120,925.68 × 49,901.64
  4. Step 4: Simplify right side
    87,627.40x = 6,034,389,750.12
  5. Step 5: Solve for x
    x = 6,034,389,750.12/87,627.40
  6. Step 6: Final answer
    x = 68,864.19

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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.