Home / 87,459.15-131,175.64-24,272.61

Finding the Fourth Proportional to 87,459.15, 131,175.64 and 24,272.61

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Solution

The fourth proportional to 87,459.15, 131,175.64 and 24,272.61 is: 36,405.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,459.15 : 131,175.64 = 24,272.61 : x
  2. Step 2: Convert to fraction form
    87,459.15/131,175.64 = 24,272.61/x
  3. Step 3: Cross multiply
    87,459.15x = 131,175.64 × 24,272.61
  4. Step 4: Simplify right side
    87,459.15x = 3,183,975,151.22
  5. Step 5: Solve for x
    x = 3,183,975,151.22/87,459.15
  6. Step 6: Final answer
    x = 36,405.28

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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.