Home / 87,941.57-131,833.51-31,768.47

Finding the Fourth Proportional to 87,941.57, 131,833.51 and 31,768.47

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Solution

The fourth proportional to 87,941.57, 131,833.51 and 31,768.47 is: 47,624.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,941.57 : 131,833.51 = 31,768.47 : x
  2. Step 2: Convert to fraction form
    87,941.57/131,833.51 = 31,768.47/x
  3. Step 3: Cross multiply
    87,941.57x = 131,833.51 × 31,768.47
  4. Step 4: Simplify right side
    87,941.57x = 4,188,148,828.01
  5. Step 5: Solve for x
    x = 4,188,148,828.01/87,941.57
  6. Step 6: Final answer
    x = 47,624.22

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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.