Home / 118,540.85-177,811.43-48,420.18

Finding the Fourth Proportional to 118,540.85, 177,811.43 and 48,420.18

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Solution

The fourth proportional to 118,540.85, 177,811.43 and 48,420.18 is: 72,630.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,540.85 : 177,811.43 = 48,420.18 : x
  2. Step 2: Convert to fraction form
    118,540.85/177,811.43 = 48,420.18/x
  3. Step 3: Cross multiply
    118,540.85x = 177,811.43 × 48,420.18
  4. Step 4: Simplify right side
    118,540.85x = 8,609,661,204.56
  5. Step 5: Solve for x
    x = 8,609,661,204.56/118,540.85
  6. Step 6: Final answer
    x = 72,630.33

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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.