Home / 104,531.66-156,748.11-40,519.79

Finding the Fourth Proportional to 104,531.66, 156,748.11 and 40,519.79

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Solution

The fourth proportional to 104,531.66, 156,748.11 and 40,519.79 is: 60,760.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,531.66 : 156,748.11 = 40,519.79 : x
  2. Step 2: Convert to fraction form
    104,531.66/156,748.11 = 40,519.79/x
  3. Step 3: Cross multiply
    104,531.66x = 156,748.11 × 40,519.79
  4. Step 4: Simplify right side
    104,531.66x = 6,351,400,500.10
  5. Step 5: Solve for x
    x = 6,351,400,500.10/104,531.66
  6. Step 6: Final answer
    x = 60,760.54

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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.