Home / 81,862.88-122,648.24-44,399.06

Finding the Fourth Proportional to 81,862.88, 122,648.24 and 44,399.06

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Solution

The fourth proportional to 81,862.88, 122,648.24 and 44,399.06 is: 66,519.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,862.88 : 122,648.24 = 44,399.06 : x
  2. Step 2: Convert to fraction form
    81,862.88/122,648.24 = 44,399.06/x
  3. Step 3: Cross multiply
    81,862.88x = 122,648.24 × 44,399.06
  4. Step 4: Simplify right side
    81,862.88x = 5,445,466,681.98
  5. Step 5: Solve for x
    x = 5,445,466,681.98/81,862.88
  6. Step 6: Final answer
    x = 66,519.36

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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.