Home / 41,155.20-61,732.80-40,499.10

Finding the Fourth Proportional to 41,155.20, 61,732.80 and 40,499.10

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Solution

The fourth proportional to 41,155.20, 61,732.80 and 40,499.10 is: 60,748.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,155.20 : 61,732.80 = 40,499.10 : x
  2. Step 2: Convert to fraction form
    41,155.20/61,732.80 = 40,499.10/x
  3. Step 3: Cross multiply
    41,155.20x = 61,732.80 × 40,499.10
  4. Step 4: Simplify right side
    41,155.20x = 2,500,122,840.48
  5. Step 5: Solve for x
    x = 2,500,122,840.48/41,155.20
  6. Step 6: Final answer
    x = 60,748.65

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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.