Home / 87,619.17-131,479.38-37,014.42

Finding the Fourth Proportional to 87,619.17, 131,479.38 and 37,014.42

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Solution

The fourth proportional to 87,619.17, 131,479.38 and 37,014.42 is: 55,543.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,619.17 : 131,479.38 = 37,014.42 : x
  2. Step 2: Convert to fraction form
    87,619.17/131,479.38 = 37,014.42/x
  3. Step 3: Cross multiply
    87,619.17x = 131,479.38 × 37,014.42
  4. Step 4: Simplify right side
    87,619.17x = 4,866,632,992.66
  5. Step 5: Solve for x
    x = 4,866,632,992.66/87,619.17
  6. Step 6: Final answer
    x = 55,543.02

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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.