Home / 72,542.03-108,747.33-25,783.97

Finding the Fourth Proportional to 72,542.03, 108,747.33 and 25,783.97

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Solution

The fourth proportional to 72,542.03, 108,747.33 and 25,783.97 is: 38,652.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,542.03 : 108,747.33 = 25,783.97 : x
  2. Step 2: Convert to fraction form
    72,542.03/108,747.33 = 25,783.97/x
  3. Step 3: Cross multiply
    72,542.03x = 108,747.33 × 25,783.97
  4. Step 4: Simplify right side
    72,542.03x = 2,803,937,350.56
  5. Step 5: Solve for x
    x = 2,803,937,350.56/72,542.03
  6. Step 6: Final answer
    x = 38,652.59

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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.