Home / 124,882.40-172,337.52-68,293.76

Finding the Fourth Proportional to 124,882.40, 172,337.52 and 68,293.76

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Solution

The fourth proportional to 124,882.40, 172,337.52 and 68,293.76 is: 94,245.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,882.40 : 172,337.52 = 68,293.76 : x
  2. Step 2: Convert to fraction form
    124,882.40/172,337.52 = 68,293.76/x
  3. Step 3: Cross multiply
    124,882.40x = 172,337.52 × 68,293.76
  4. Step 4: Simplify right side
    124,882.40x = 11,769,577,229.88
  5. Step 5: Solve for x
    x = 11,769,577,229.88/124,882.40
  6. Step 6: Final answer
    x = 94,245.28

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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.