Home / 78,839.10-108,793.26-44,842.68

Finding the Fourth Proportional to 78,839.10, 108,793.26 and 44,842.68

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Solution

The fourth proportional to 78,839.10, 108,793.26 and 44,842.68 is: 61,880.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,839.10 : 108,793.26 = 44,842.68 : x
  2. Step 2: Convert to fraction form
    78,839.10/108,793.26 = 44,842.68/x
  3. Step 3: Cross multiply
    78,839.10x = 108,793.26 × 44,842.68
  4. Step 4: Simplify right side
    78,839.10x = 4,878,581,344.34
  5. Step 5: Solve for x
    x = 4,878,581,344.34/78,839.10
  6. Step 6: Final answer
    x = 61,880.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.