Home / 80,735.31-121,109.15-24,580.22

Finding the Fourth Proportional to 80,735.31, 121,109.15 and 24,580.22

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Solution

The fourth proportional to 80,735.31, 121,109.15 and 24,580.22 is: 36,872.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,735.31 : 121,109.15 = 24,580.22 : x
  2. Step 2: Convert to fraction form
    80,735.31/121,109.15 = 24,580.22/x
  3. Step 3: Cross multiply
    80,735.31x = 121,109.15 × 24,580.22
  4. Step 4: Simplify right side
    80,735.31x = 2,976,889,006.92
  5. Step 5: Solve for x
    x = 2,976,889,006.92/80,735.31
  6. Step 6: Final answer
    x = 36,872.21

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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.