Home / 87,562.73-131,284.10-31,401.64

Finding the Fourth Proportional to 87,562.73, 131,284.10 and 31,401.64

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Solution

The fourth proportional to 87,562.73, 131,284.10 and 31,401.64 is: 47,080.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,562.73 : 131,284.10 = 31,401.64 : x
  2. Step 2: Convert to fraction form
    87,562.73/131,284.10 = 31,401.64/x
  3. Step 3: Cross multiply
    87,562.73x = 131,284.10 × 31,401.64
  4. Step 4: Simplify right side
    87,562.73x = 4,122,535,389.50
  5. Step 5: Solve for x
    x = 4,122,535,389.50/87,562.73
  6. Step 6: Final answer
    x = 47,080.94

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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.