Home / 83,117.30-124,500.45-55,050.80

Finding the Fourth Proportional to 83,117.30, 124,500.45 and 55,050.80

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Solution

The fourth proportional to 83,117.30, 124,500.45 and 55,050.80 is: 82,459.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,117.30 : 124,500.45 = 55,050.80 : x
  2. Step 2: Convert to fraction form
    83,117.30/124,500.45 = 55,050.80/x
  3. Step 3: Cross multiply
    83,117.30x = 124,500.45 × 55,050.80
  4. Step 4: Simplify right side
    83,117.30x = 6,853,849,372.86
  5. Step 5: Solve for x
    x = 6,853,849,372.86/83,117.30
  6. Step 6: Final answer
    x = 82,459.96

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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.