Home / 62,357.89-86,082.21-39,727.91

Finding the Fourth Proportional to 62,357.89, 86,082.21 and 39,727.91

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Solution

The fourth proportional to 62,357.89, 86,082.21 and 39,727.91 is: 54,842.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,357.89 : 86,082.21 = 39,727.91 : x
  2. Step 2: Convert to fraction form
    62,357.89/86,082.21 = 39,727.91/x
  3. Step 3: Cross multiply
    62,357.89x = 86,082.21 × 39,727.91
  4. Step 4: Simplify right side
    62,357.89x = 3,419,866,291.48
  5. Step 5: Solve for x
    x = 3,419,866,291.48/62,357.89
  6. Step 6: Final answer
    x = 54,842.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.