Home / 118,524.86-177,767.38-39,638.96

Finding the Fourth Proportional to 118,524.86, 177,767.38 and 39,638.96

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Solution

The fourth proportional to 118,524.86, 177,767.38 and 39,638.96 is: 59,451.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,524.86 : 177,767.38 = 39,638.96 : x
  2. Step 2: Convert to fraction form
    118,524.86/177,767.38 = 39,638.96/x
  3. Step 3: Cross multiply
    118,524.86x = 177,767.38 × 39,638.96
  4. Step 4: Simplify right side
    118,524.86x = 7,046,514,065.12
  5. Step 5: Solve for x
    x = 7,046,514,065.12/118,524.86
  6. Step 6: Final answer
    x = 59,451.78

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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.