Home / 78,637.50-117,841.23-48,965.04

Finding the Fourth Proportional to 78,637.50, 117,841.23 and 48,965.04

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Solution

The fourth proportional to 78,637.50, 117,841.23 and 48,965.04 is: 73,375.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,637.50 : 117,841.23 = 48,965.04 : x
  2. Step 2: Convert to fraction form
    78,637.50/117,841.23 = 48,965.04/x
  3. Step 3: Cross multiply
    78,637.50x = 117,841.23 × 48,965.04
  4. Step 4: Simplify right side
    78,637.50x = 5,770,100,540.60
  5. Step 5: Solve for x
    x = 5,770,100,540.60/78,637.50
  6. Step 6: Final answer
    x = 73,375.94

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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.