Home / 80,823.43-121,235.15-24,663.83

Finding the Fourth Proportional to 80,823.43, 121,235.15 and 24,663.83

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Solution

The fourth proportional to 80,823.43, 121,235.15 and 24,663.83 is: 36,995.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,823.43 : 121,235.15 = 24,663.83 : x
  2. Step 2: Convert to fraction form
    80,823.43/121,235.15 = 24,663.83/x
  3. Step 3: Cross multiply
    80,823.43x = 121,235.15 × 24,663.83
  4. Step 4: Simplify right side
    80,823.43x = 2,990,123,129.62
  5. Step 5: Solve for x
    x = 2,990,123,129.62/80,823.43
  6. Step 6: Final answer
    x = 36,995.75

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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.