Home / 72,359.28-108,575.96-34,451.46

Finding the Fourth Proportional to 72,359.28, 108,575.96 and 34,451.46

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Solution

The fourth proportional to 72,359.28, 108,575.96 and 34,451.46 is: 51,694.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,359.28 : 108,575.96 = 34,451.46 : x
  2. Step 2: Convert to fraction form
    72,359.28/108,575.96 = 34,451.46/x
  3. Step 3: Cross multiply
    72,359.28x = 108,575.96 × 34,451.46
  4. Step 4: Simplify right side
    72,359.28x = 3,740,600,170.64
  5. Step 5: Solve for x
    x = 3,740,600,170.64/72,359.28
  6. Step 6: Final answer
    x = 51,694.82

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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.