Home / 80,725.32-121,105.41-24,569.82

Finding the Fourth Proportional to 80,725.32, 121,105.41 and 24,569.82

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Solution

The fourth proportional to 80,725.32, 121,105.41 and 24,569.82 is: 36,860.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,725.32 : 121,105.41 = 24,569.82 : x
  2. Step 2: Convert to fraction form
    80,725.32/121,105.41 = 24,569.82/x
  3. Step 3: Cross multiply
    80,725.32x = 121,105.41 × 24,569.82
  4. Step 4: Simplify right side
    80,725.32x = 2,975,538,715.03
  5. Step 5: Solve for x
    x = 2,975,538,715.03/80,725.32
  6. Step 6: Final answer
    x = 36,860.04

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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.