Home / 71,570.56-107,331.52-27,186.60

Finding the Fourth Proportional to 71,570.56, 107,331.52 and 27,186.60

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Solution

The fourth proportional to 71,570.56, 107,331.52 and 27,186.60 is: 40,770.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,570.56 : 107,331.52 = 27,186.60 : x
  2. Step 2: Convert to fraction form
    71,570.56/107,331.52 = 27,186.60/x
  3. Step 3: Cross multiply
    71,570.56x = 107,331.52 × 27,186.60
  4. Step 4: Simplify right side
    71,570.56x = 2,917,979,101.63
  5. Step 5: Solve for x
    x = 2,917,979,101.63/71,570.56
  6. Step 6: Final answer
    x = 40,770.66

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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.