Home / 87,802.68-131,611.50-37,871.04

Finding the Fourth Proportional to 87,802.68, 131,611.50 and 37,871.04

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Solution

The fourth proportional to 87,802.68, 131,611.50 and 37,871.04 is: 56,766.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,802.68 : 131,611.50 = 37,871.04 : x
  2. Step 2: Convert to fraction form
    87,802.68/131,611.50 = 37,871.04/x
  3. Step 3: Cross multiply
    87,802.68x = 131,611.50 × 37,871.04
  4. Step 4: Simplify right side
    87,802.68x = 4,984,264,380.96
  5. Step 5: Solve for x
    x = 4,984,264,380.96/87,802.68
  6. Step 6: Final answer
    x = 56,766.65

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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.