Home / 71,921.50-107,693.60-50,747.24

Finding the Fourth Proportional to 71,921.50, 107,693.60 and 50,747.24

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Solution

The fourth proportional to 71,921.50, 107,693.60 and 50,747.24 is: 75,987.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,921.50 : 107,693.60 = 50,747.24 : x
  2. Step 2: Convert to fraction form
    71,921.50/107,693.60 = 50,747.24/x
  3. Step 3: Cross multiply
    71,921.50x = 107,693.60 × 50,747.24
  4. Step 4: Simplify right side
    71,921.50x = 5,465,152,965.66
  5. Step 5: Solve for x
    x = 5,465,152,965.66/71,921.50
  6. Step 6: Final answer
    x = 75,987.75

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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.