Home / 87,244.90-130,862.16-31,082.03

Finding the Fourth Proportional to 87,244.90, 130,862.16 and 31,082.03

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Solution

The fourth proportional to 87,244.90, 130,862.16 and 31,082.03 is: 46,621.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,244.90 : 130,862.16 = 31,082.03 : x
  2. Step 2: Convert to fraction form
    87,244.90/130,862.16 = 31,082.03/x
  3. Step 3: Cross multiply
    87,244.90x = 130,862.16 × 31,082.03
  4. Step 4: Simplify right side
    87,244.90x = 4,067,461,824.97
  5. Step 5: Solve for x
    x = 4,067,461,824.97/87,244.90
  6. Step 6: Final answer
    x = 46,621.20

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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.