Home / 43,375.13-64,882.78-40,717.92

Finding the Fourth Proportional to 43,375.13, 64,882.78 and 40,717.92

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Solution

The fourth proportional to 43,375.13, 64,882.78 and 40,717.92 is: 60,907.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,375.13 : 64,882.78 = 40,717.92 : x
  2. Step 2: Convert to fraction form
    43,375.13/64,882.78 = 40,717.92/x
  3. Step 3: Cross multiply
    43,375.13x = 64,882.78 × 40,717.92
  4. Step 4: Simplify right side
    43,375.13x = 2,641,892,148.41
  5. Step 5: Solve for x
    x = 2,641,892,148.41/43,375.13
  6. Step 6: Final answer
    x = 60,907.99

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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.