Home / 88,231.11-132,346.35-38,304.69

Finding the Fourth Proportional to 88,231.11, 132,346.35 and 38,304.69

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Solution

The fourth proportional to 88,231.11, 132,346.35 and 38,304.69 is: 57,456.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,231.11 : 132,346.35 = 38,304.69 : x
  2. Step 2: Convert to fraction form
    88,231.11/132,346.35 = 38,304.69/x
  3. Step 3: Cross multiply
    88,231.11x = 132,346.35 × 38,304.69
  4. Step 4: Simplify right side
    88,231.11x = 5,069,485,909.38
  5. Step 5: Solve for x
    x = 5,069,485,909.38/88,231.11
  6. Step 6: Final answer
    x = 57,456.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.