Home / 124,867.68-172,375.20-73,864.32

Finding the Fourth Proportional to 124,867.68, 172,375.20 and 73,864.32

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Solution

The fourth proportional to 124,867.68, 172,375.20 and 73,864.32 is: 101,966.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,867.68 : 172,375.20 = 73,864.32 : x
  2. Step 2: Convert to fraction form
    124,867.68/172,375.20 = 73,864.32/x
  3. Step 3: Cross multiply
    124,867.68x = 172,375.20 × 73,864.32
  4. Step 4: Simplify right side
    124,867.68x = 12,732,376,932.86
  5. Step 5: Solve for x
    x = 12,732,376,932.86/124,867.68
  6. Step 6: Final answer
    x = 101,966.95

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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.