Home / 88,037.72-131,932.36-68,223.52

Finding the Fourth Proportional to 88,037.72, 131,932.36 and 68,223.52

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Solution

The fourth proportional to 88,037.72, 131,932.36 and 68,223.52 is: 102,239.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,037.72 : 131,932.36 = 68,223.52 : x
  2. Step 2: Convert to fraction form
    88,037.72/131,932.36 = 68,223.52/x
  3. Step 3: Cross multiply
    88,037.72x = 131,932.36 × 68,223.52
  4. Step 4: Simplify right side
    88,037.72x = 9,000,890,001.11
  5. Step 5: Solve for x
    x = 9,000,890,001.11/88,037.72
  6. Step 6: Final answer
    x = 102,239.02

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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.