Home / 87,922.08-131,882.80-48,458.40

Finding the Fourth Proportional to 87,922.08, 131,882.80 and 48,458.40

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Solution

The fourth proportional to 87,922.08, 131,882.80 and 48,458.40 is: 72,687.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,922.08 : 131,882.80 = 48,458.40 : x
  2. Step 2: Convert to fraction form
    87,922.08/131,882.80 = 48,458.40/x
  3. Step 3: Cross multiply
    87,922.08x = 131,882.80 × 48,458.40
  4. Step 4: Simplify right side
    87,922.08x = 6,390,829,475.52
  5. Step 5: Solve for x
    x = 6,390,829,475.52/87,922.08
  6. Step 6: Final answer
    x = 72,687.42

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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.