Home / 88,519.48-132,728.10-29,339.20

Finding the Fourth Proportional to 88,519.48, 132,728.10 and 29,339.20

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Solution

The fourth proportional to 88,519.48, 132,728.10 and 29,339.20 is: 43,991.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,519.48 : 132,728.10 = 29,339.20 : x
  2. Step 2: Convert to fraction form
    88,519.48/132,728.10 = 29,339.20/x
  3. Step 3: Cross multiply
    88,519.48x = 132,728.10 × 29,339.20
  4. Step 4: Simplify right side
    88,519.48x = 3,894,136,271.52
  5. Step 5: Solve for x
    x = 3,894,136,271.52/88,519.48
  6. Step 6: Final answer
    x = 43,991.86

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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.