Home / 80,265.24-120,354.02-63,731.48

Finding the Fourth Proportional to 80,265.24, 120,354.02 and 63,731.48

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Solution

The fourth proportional to 80,265.24, 120,354.02 and 63,731.48 is: 95,562.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,265.24 : 120,354.02 = 63,731.48 : x
  2. Step 2: Convert to fraction form
    80,265.24/120,354.02 = 63,731.48/x
  3. Step 3: Cross multiply
    80,265.24x = 120,354.02 × 63,731.48
  4. Step 4: Simplify right side
    80,265.24x = 7,670,339,818.55
  5. Step 5: Solve for x
    x = 7,670,339,818.55/80,265.24
  6. Step 6: Final answer
    x = 95,562.41

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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.