Home / 118,521.11-177,781.83-48,400.43

Finding the Fourth Proportional to 118,521.11, 177,781.83 and 48,400.43

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Solution

The fourth proportional to 118,521.11, 177,781.83 and 48,400.43 is: 72,600.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,521.11 : 177,781.83 = 48,400.43 : x
  2. Step 2: Convert to fraction form
    118,521.11/177,781.83 = 48,400.43/x
  3. Step 3: Cross multiply
    118,521.11x = 177,781.83 × 48,400.43
  4. Step 4: Simplify right side
    118,521.11x = 8,604,716,129.28
  5. Step 5: Solve for x
    x = 8,604,716,129.28/118,521.11
  6. Step 6: Final answer
    x = 72,600.71

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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.