Home / 80,917.24-121,345.02-24,740.20

Finding the Fourth Proportional to 80,917.24, 121,345.02 and 24,740.20

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Solution

The fourth proportional to 80,917.24, 121,345.02 and 24,740.20 is: 37,100.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,917.24 : 121,345.02 = 24,740.20 : x
  2. Step 2: Convert to fraction form
    80,917.24/121,345.02 = 24,740.20/x
  3. Step 3: Cross multiply
    80,917.24x = 121,345.02 × 24,740.20
  4. Step 4: Simplify right side
    80,917.24x = 3,002,100,063.80
  5. Step 5: Solve for x
    x = 3,002,100,063.80/80,917.24
  6. Step 6: Final answer
    x = 37,100.87

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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.