Home / 71,242.20-107,057.40-37,986.24

Finding the Fourth Proportional to 71,242.20, 107,057.40 and 37,986.24

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Solution

The fourth proportional to 71,242.20, 107,057.40 and 37,986.24 is: 57,082.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,242.20 : 107,057.40 = 37,986.24 : x
  2. Step 2: Convert to fraction form
    71,242.20/107,057.40 = 37,986.24/x
  3. Step 3: Cross multiply
    71,242.20x = 107,057.40 × 37,986.24
  4. Step 4: Simplify right side
    71,242.20x = 4,066,708,090.18
  5. Step 5: Solve for x
    x = 4,066,708,090.18/71,242.20
  6. Step 6: Final answer
    x = 57,082.85

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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.