Home / 87,334.48-131,029.40-31,173.35

Finding the Fourth Proportional to 87,334.48, 131,029.40 and 31,173.35

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Solution

The fourth proportional to 87,334.48, 131,029.40 and 31,173.35 is: 46,769.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,334.48 : 131,029.40 = 31,173.35 : x
  2. Step 2: Convert to fraction form
    87,334.48/131,029.40 = 31,173.35/x
  3. Step 3: Cross multiply
    87,334.48x = 131,029.40 × 31,173.35
  4. Step 4: Simplify right side
    87,334.48x = 4,084,624,691.34
  5. Step 5: Solve for x
    x = 4,084,624,691.34/87,334.48
  6. Step 6: Final answer
    x = 46,769.90

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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.