Home / 82,867.92-114,358.44-45,142.20

Finding the Fourth Proportional to 82,867.92, 114,358.44 and 45,142.20

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Solution

The fourth proportional to 82,867.92, 114,358.44 and 45,142.20 is: 62,296.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,867.92 : 114,358.44 = 45,142.20 : x
  2. Step 2: Convert to fraction form
    82,867.92/114,358.44 = 45,142.20/x
  3. Step 3: Cross multiply
    82,867.92x = 114,358.44 × 45,142.20
  4. Step 4: Simplify right side
    82,867.92x = 5,162,391,570.17
  5. Step 5: Solve for x
    x = 5,162,391,570.17/82,867.92
  6. Step 6: Final answer
    x = 62,296.62

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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.