Home / 83,724.60-125,586.90-48,149.40

Finding the Fourth Proportional to 83,724.60, 125,586.90 and 48,149.40

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Solution

The fourth proportional to 83,724.60, 125,586.90 and 48,149.40 is: 72,224.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,724.60 : 125,586.90 = 48,149.40 : x
  2. Step 2: Convert to fraction form
    83,724.60/125,586.90 = 48,149.40/x
  3. Step 3: Cross multiply
    83,724.60x = 125,586.90 × 48,149.40
  4. Step 4: Simplify right side
    83,724.60x = 6,046,933,882.86
  5. Step 5: Solve for x
    x = 6,046,933,882.86/83,724.60
  6. Step 6: Final answer
    x = 72,224.10

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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.