Home / 87,762.40-131,569.44-35,143.04

Finding the Fourth Proportional to 87,762.40, 131,569.44 and 35,143.04

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Solution

The fourth proportional to 87,762.40, 131,569.44 and 35,143.04 is: 52,684.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,762.40 : 131,569.44 = 35,143.04 : x
  2. Step 2: Convert to fraction form
    87,762.40/131,569.44 = 35,143.04/x
  3. Step 3: Cross multiply
    87,762.40x = 131,569.44 × 35,143.04
  4. Step 4: Simplify right side
    87,762.40x = 4,623,750,092.70
  5. Step 5: Solve for x
    x = 4,623,750,092.70/87,762.40
  6. Step 6: Final answer
    x = 52,684.86

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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.