Home / 72,472.24-108,653.54-47,518.56

Finding the Fourth Proportional to 72,472.24, 108,653.54 and 47,518.56

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Solution

The fourth proportional to 72,472.24, 108,653.54 and 47,518.56 is: 71,241.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,472.24 : 108,653.54 = 47,518.56 : x
  2. Step 2: Convert to fraction form
    72,472.24/108,653.54 = 47,518.56/x
  3. Step 3: Cross multiply
    72,472.24x = 108,653.54 × 47,518.56
  4. Step 4: Simplify right side
    72,472.24x = 5,163,059,759.70
  5. Step 5: Solve for x
    x = 5,163,059,759.70/72,472.24
  6. Step 6: Final answer
    x = 71,241.90

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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.