Home / 107,387.60-148,177.06-62,069.76

Finding the Fourth Proportional to 107,387.60, 148,177.06 and 62,069.76

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Solution

The fourth proportional to 107,387.60, 148,177.06 and 62,069.76 is: 85,645.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,387.60 : 148,177.06 = 62,069.76 : x
  2. Step 2: Convert to fraction form
    107,387.60/148,177.06 = 62,069.76/x
  3. Step 3: Cross multiply
    107,387.60x = 148,177.06 × 62,069.76
  4. Step 4: Simplify right side
    107,387.60x = 9,197,314,952.20
  5. Step 5: Solve for x
    x = 9,197,314,952.20/107,387.60
  6. Step 6: Final answer
    x = 85,645.97

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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.