Home / 82,764.56-124,049.54-38,297.36

Finding the Fourth Proportional to 82,764.56, 124,049.54 and 38,297.36

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Solution

The fourth proportional to 82,764.56, 124,049.54 and 38,297.36 is: 57,401.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,764.56 : 124,049.54 = 38,297.36 : x
  2. Step 2: Convert to fraction form
    82,764.56/124,049.54 = 38,297.36/x
  3. Step 3: Cross multiply
    82,764.56x = 124,049.54 × 38,297.36
  4. Step 4: Simplify right side
    82,764.56x = 4,750,769,891.21
  5. Step 5: Solve for x
    x = 4,750,769,891.21/82,764.56
  6. Step 6: Final answer
    x = 57,401.02

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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.