Home / 71,613.20-98,840.88-41,394.16

Finding the Fourth Proportional to 71,613.20, 98,840.88 and 41,394.16

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Solution

The fourth proportional to 71,613.20, 98,840.88 and 41,394.16 is: 57,132.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,613.20 : 98,840.88 = 41,394.16 : x
  2. Step 2: Convert to fraction form
    71,613.20/98,840.88 = 41,394.16/x
  3. Step 3: Cross multiply
    71,613.20x = 98,840.88 × 41,394.16
  4. Step 4: Simplify right side
    71,613.20x = 4,091,435,201.26
  5. Step 5: Solve for x
    x = 4,091,435,201.26/71,613.20
  6. Step 6: Final answer
    x = 57,132.42

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1.5x scale

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.