Home / 82,764.57-124,146.96-38,385.48

Finding the Fourth Proportional to 82,764.57, 124,146.96 and 38,385.48

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Solution

The fourth proportional to 82,764.57, 124,146.96 and 38,385.48 is: 57,578.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,764.57 : 124,146.96 = 38,385.48 : x
  2. Step 2: Convert to fraction form
    82,764.57/124,146.96 = 38,385.48/x
  3. Step 3: Cross multiply
    82,764.57x = 124,146.96 × 38,385.48
  4. Step 4: Simplify right side
    82,764.57x = 4,765,440,650.14
  5. Step 5: Solve for x
    x = 4,765,440,650.14/82,764.57
  6. Step 6: Final answer
    x = 57,578.27

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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.