Home / 87,543.42-131,348.22-34,273.50

Finding the Fourth Proportional to 87,543.42, 131,348.22 and 34,273.50

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Solution

The fourth proportional to 87,543.42, 131,348.22 and 34,273.50 is: 51,423.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,543.42 : 131,348.22 = 34,273.50 : x
  2. Step 2: Convert to fraction form
    87,543.42/131,348.22 = 34,273.50/x
  3. Step 3: Cross multiply
    87,543.42x = 131,348.22 × 34,273.50
  4. Step 4: Simplify right side
    87,543.42x = 4,501,763,218.17
  5. Step 5: Solve for x
    x = 4,501,763,218.17/87,543.42
  6. Step 6: Final answer
    x = 51,423.20

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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.