Home / 80,965.38-121,451.71-24,801.40

Finding the Fourth Proportional to 80,965.38, 121,451.71 and 24,801.40

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Solution

The fourth proportional to 80,965.38, 121,451.71 and 24,801.40 is: 37,203.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,965.38 : 121,451.71 = 24,801.40 : x
  2. Step 2: Convert to fraction form
    80,965.38/121,451.71 = 24,801.40/x
  3. Step 3: Cross multiply
    80,965.38x = 121,451.71 × 24,801.40
  4. Step 4: Simplify right side
    80,965.38x = 3,012,171,833.14
  5. Step 5: Solve for x
    x = 3,012,171,833.14/80,965.38
  6. Step 6: Final answer
    x = 37,203.21

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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.