Home / 71,632.38-98,851.97-39,800.60

Finding the Fourth Proportional to 71,632.38, 98,851.97 and 39,800.60

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Solution

The fourth proportional to 71,632.38, 98,851.97 and 39,800.60 is: 54,924.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,632.38 : 98,851.97 = 39,800.60 : x
  2. Step 2: Convert to fraction form
    71,632.38/98,851.97 = 39,800.60/x
  3. Step 3: Cross multiply
    71,632.38x = 98,851.97 × 39,800.60
  4. Step 4: Simplify right side
    71,632.38x = 3,934,367,023.92
  5. Step 5: Solve for x
    x = 3,934,367,023.92/71,632.38
  6. Step 6: Final answer
    x = 54,924.42

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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.