Home / 71,893.12-107,854.26-25,178.80

Finding the Fourth Proportional to 71,893.12, 107,854.26 and 25,178.80

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Solution

The fourth proportional to 71,893.12, 107,854.26 and 25,178.80 is: 37,773.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,893.12 : 107,854.26 = 25,178.80 : x
  2. Step 2: Convert to fraction form
    71,893.12/107,854.26 = 25,178.80/x
  3. Step 3: Cross multiply
    71,893.12x = 107,854.26 × 25,178.80
  4. Step 4: Simplify right side
    71,893.12x = 2,715,640,841.69
  5. Step 5: Solve for x
    x = 2,715,640,841.69/71,893.12
  6. Step 6: Final answer
    x = 37,773.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.