Home / 78,839.44-118,287.12-49,222.96

Finding the Fourth Proportional to 78,839.44, 118,287.12 and 49,222.96

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Solution

The fourth proportional to 78,839.44, 118,287.12 and 49,222.96 is: 73,851.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,839.44 : 118,287.12 = 49,222.96 : x
  2. Step 2: Convert to fraction form
    78,839.44/118,287.12 = 49,222.96/x
  3. Step 3: Cross multiply
    78,839.44x = 118,287.12 × 49,222.96
  4. Step 4: Simplify right side
    78,839.44x = 5,822,442,176.28
  5. Step 5: Solve for x
    x = 5,822,442,176.28/78,839.44
  6. Step 6: Final answer
    x = 73,851.90

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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.