Home / 107,520.52-148,356.66-62,799.88

Finding the Fourth Proportional to 107,520.52, 148,356.66 and 62,799.88

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Solution

The fourth proportional to 107,520.52, 148,356.66 and 62,799.88 is: 86,651.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,520.52 : 148,356.66 = 62,799.88 : x
  2. Step 2: Convert to fraction form
    107,520.52/148,356.66 = 62,799.88/x
  3. Step 3: Cross multiply
    107,520.52x = 148,356.66 × 62,799.88
  4. Step 4: Simplify right side
    107,520.52x = 9,316,780,445.20
  5. Step 5: Solve for x
    x = 9,316,780,445.20/107,520.52
  6. Step 6: Final answer
    x = 86,651.18

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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.