Home / 80,731.71-121,123.49-24,582.69

Finding the Fourth Proportional to 80,731.71, 121,123.49 and 24,582.69

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Solution

The fourth proportional to 80,731.71, 121,123.49 and 24,582.69 is: 36,881.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,731.71 : 121,123.49 = 24,582.69 : x
  2. Step 2: Convert to fraction form
    80,731.71/121,123.49 = 24,582.69/x
  3. Step 3: Cross multiply
    80,731.71x = 121,123.49 × 24,582.69
  4. Step 4: Simplify right side
    80,731.71x = 2,977,541,083.47
  5. Step 5: Solve for x
    x = 2,977,541,083.47/80,731.71
  6. Step 6: Final answer
    x = 36,881.93

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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.