Home / 71,907.03-107,909.15-25,160.31

Finding the Fourth Proportional to 71,907.03, 107,909.15 and 25,160.31

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Solution

The fourth proportional to 71,907.03, 107,909.15 and 25,160.31 is: 37,757.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,907.03 : 107,909.15 = 25,160.31 : x
  2. Step 2: Convert to fraction form
    71,907.03/107,909.15 = 25,160.31/x
  3. Step 3: Cross multiply
    71,907.03x = 107,909.15 × 25,160.31
  4. Step 4: Simplify right side
    71,907.03x = 2,715,027,540.03
  5. Step 5: Solve for x
    x = 2,715,027,540.03/71,907.03
  6. Step 6: Final answer
    x = 37,757.47

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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.