Home / 71,542.11-107,315.45-35,984.02

Finding the Fourth Proportional to 71,542.11, 107,315.45 and 35,984.02

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Solution

The fourth proportional to 71,542.11, 107,315.45 and 35,984.02 is: 53,977.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,542.11 : 107,315.45 = 35,984.02 : x
  2. Step 2: Convert to fraction form
    71,542.11/107,315.45 = 35,984.02/x
  3. Step 3: Cross multiply
    71,542.11x = 107,315.45 × 35,984.02
  4. Step 4: Simplify right side
    71,542.11x = 3,861,641,299.11
  5. Step 5: Solve for x
    x = 3,861,641,299.11/71,542.11
  6. Step 6: Final answer
    x = 53,977.18

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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.