Home / 71,167.20-98,205.75-39,337.26

Finding the Fourth Proportional to 71,167.20, 98,205.75 and 39,337.26

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Solution

The fourth proportional to 71,167.20, 98,205.75 and 39,337.26 is: 54,282.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,167.20 : 98,205.75 = 39,337.26 : x
  2. Step 2: Convert to fraction form
    71,167.20/98,205.75 = 39,337.26/x
  3. Step 3: Cross multiply
    71,167.20x = 98,205.75 × 39,337.26
  4. Step 4: Simplify right side
    71,167.20x = 3,863,145,121.25
  5. Step 5: Solve for x
    x = 3,863,145,121.25/71,167.20
  6. Step 6: Final answer
    x = 54,282.66

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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.