Home / 71,070.25-98,076.92-40,861.48

Finding the Fourth Proportional to 71,070.25, 98,076.92 and 40,861.48

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Solution

The fourth proportional to 71,070.25, 98,076.92 and 40,861.48 is: 56,388.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,070.25 : 98,076.92 = 40,861.48 : x
  2. Step 2: Convert to fraction form
    71,070.25/98,076.92 = 40,861.48/x
  3. Step 3: Cross multiply
    71,070.25x = 98,076.92 × 40,861.48
  4. Step 4: Simplify right side
    71,070.25x = 4,007,568,105.04
  5. Step 5: Solve for x
    x = 4,007,568,105.04/71,070.25
  6. Step 6: Final answer
    x = 56,388.83

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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.