Home / 71,839.08-107,458.53-50,490.30

Finding the Fourth Proportional to 71,839.08, 107,458.53 and 50,490.30

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Solution

The fourth proportional to 71,839.08, 107,458.53 and 50,490.30 is: 75,524.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,839.08 : 107,458.53 = 50,490.30 : x
  2. Step 2: Convert to fraction form
    71,839.08/107,458.53 = 50,490.30/x
  3. Step 3: Cross multiply
    71,839.08x = 107,458.53 × 50,490.30
  4. Step 4: Simplify right side
    71,839.08x = 5,425,613,417.26
  5. Step 5: Solve for x
    x = 5,425,613,417.26/71,839.08
  6. Step 6: Final answer
    x = 75,524.54

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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.