Home / 75,505.68-113,180.76-40,435.92

Finding the Fourth Proportional to 75,505.68, 113,180.76 and 40,435.92

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Solution

The fourth proportional to 75,505.68, 113,180.76 and 40,435.92 is: 60,612.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,505.68 : 113,180.76 = 40,435.92 : x
  2. Step 2: Convert to fraction form
    75,505.68/113,180.76 = 40,435.92/x
  3. Step 3: Cross multiply
    75,505.68x = 113,180.76 × 40,435.92
  4. Step 4: Simplify right side
    75,505.68x = 4,576,568,156.90
  5. Step 5: Solve for x
    x = 4,576,568,156.90/75,505.68
  6. Step 6: Final answer
    x = 60,612.24

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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.