Home / 87,920.70-131,670.33-45,113.48

Finding the Fourth Proportional to 87,920.70, 131,670.33 and 45,113.48

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Solution

The fourth proportional to 87,920.70, 131,670.33 and 45,113.48 is: 67,562.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,920.70 : 131,670.33 = 45,113.48 : x
  2. Step 2: Convert to fraction form
    87,920.70/131,670.33 = 45,113.48/x
  3. Step 3: Cross multiply
    87,920.70x = 131,670.33 × 45,113.48
  4. Step 4: Simplify right side
    87,920.70x = 5,940,106,510.28
  5. Step 5: Solve for x
    x = 5,940,106,510.28/87,920.70
  6. Step 6: Final answer
    x = 67,562.09

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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.