Home / 47,899.13-71,912.27-40,923.95

Finding the Fourth Proportional to 47,899.13, 71,912.27 and 40,923.95

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Solution

The fourth proportional to 47,899.13, 71,912.27 and 40,923.95 is: 61,440.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,899.13 : 71,912.27 = 40,923.95 : x
  2. Step 2: Convert to fraction form
    47,899.13/71,912.27 = 40,923.95/x
  3. Step 3: Cross multiply
    47,899.13x = 71,912.27 × 40,923.95
  4. Step 4: Simplify right side
    47,899.13x = 2,942,933,884.62
  5. Step 5: Solve for x
    x = 2,942,933,884.62/47,899.13
  6. Step 6: Final answer
    x = 61,440.24

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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.