Home / 71,568.26-98,768.67-41,359.12

Finding the Fourth Proportional to 71,568.26, 98,768.67 and 41,359.12

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Solution

The fourth proportional to 71,568.26, 98,768.67 and 41,359.12 is: 57,078.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,568.26 : 98,768.67 = 41,359.12 : x
  2. Step 2: Convert to fraction form
    71,568.26/98,768.67 = 41,359.12/x
  3. Step 3: Cross multiply
    71,568.26x = 98,768.67 × 41,359.12
  4. Step 4: Simplify right side
    71,568.26x = 4,084,984,780.93
  5. Step 5: Solve for x
    x = 4,084,984,780.93/71,568.26
  6. Step 6: Final answer
    x = 57,078.16

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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.