Home / 71,962.48-107,933.96-19,375.12

Finding the Fourth Proportional to 71,962.48, 107,933.96 and 19,375.12

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Solution

The fourth proportional to 71,962.48, 107,933.96 and 19,375.12 is: 29,060.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,962.48 : 107,933.96 = 19,375.12 : x
  2. Step 2: Convert to fraction form
    71,962.48/107,933.96 = 19,375.12/x
  3. Step 3: Cross multiply
    71,962.48x = 107,933.96 × 19,375.12
  4. Step 4: Simplify right side
    71,962.48x = 2,091,233,427.08
  5. Step 5: Solve for x
    x = 2,091,233,427.08/71,962.48
  6. Step 6: Final answer
    x = 29,060.05

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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.