Home / 103,695.45-155,543.18-33,581.85

Finding the Fourth Proportional to 103,695.45, 155,543.18 and 33,581.85

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Solution

The fourth proportional to 103,695.45, 155,543.18 and 33,581.85 is: 50,372.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,695.45 : 155,543.18 = 33,581.85 : x
  2. Step 2: Convert to fraction form
    103,695.45/155,543.18 = 33,581.85/x
  3. Step 3: Cross multiply
    103,695.45x = 155,543.18 × 33,581.85
  4. Step 4: Simplify right side
    103,695.45x = 5,223,427,739.28
  5. Step 5: Solve for x
    x = 5,223,427,739.28/103,695.45
  6. Step 6: Final answer
    x = 50,372.78

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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.