Home / 48,691.28-67,204.80-31,665.92

Finding the Fourth Proportional to 48,691.28, 67,204.80 and 31,665.92

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Solution

The fourth proportional to 48,691.28, 67,204.80 and 31,665.92 is: 43,706.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,691.28 : 67,204.80 = 31,665.92 : x
  2. Step 2: Convert to fraction form
    48,691.28/67,204.80 = 31,665.92/x
  3. Step 3: Cross multiply
    48,691.28x = 67,204.80 × 31,665.92
  4. Step 4: Simplify right side
    48,691.28x = 2,128,101,820.42
  5. Step 5: Solve for x
    x = 2,128,101,820.42/48,691.28
  6. Step 6: Final answer
    x = 43,706.02

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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.