Home / 87,679.02-131,486.22-31,504.11

Finding the Fourth Proportional to 87,679.02, 131,486.22 and 31,504.11

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Solution

The fourth proportional to 87,679.02, 131,486.22 and 31,504.11 is: 47,244.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,679.02 : 131,486.22 = 31,504.11 : x
  2. Step 2: Convert to fraction form
    87,679.02/131,486.22 = 31,504.11/x
  3. Step 3: Cross multiply
    87,679.02x = 131,486.22 × 31,504.11
  4. Step 4: Simplify right side
    87,679.02x = 4,142,356,338.36
  5. Step 5: Solve for x
    x = 4,142,356,338.36/87,679.02
  6. Step 6: Final answer
    x = 47,244.56

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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.