Home / 82,949.28-124,423.79-66,230.97

Finding the Fourth Proportional to 82,949.28, 124,423.79 and 66,230.97

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Solution

The fourth proportional to 82,949.28, 124,423.79 and 66,230.97 is: 99,346.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,949.28 : 124,423.79 = 66,230.97 : x
  2. Step 2: Convert to fraction form
    82,949.28/124,423.79 = 66,230.97/x
  3. Step 3: Cross multiply
    82,949.28x = 124,423.79 × 66,230.97
  4. Step 4: Simplify right side
    82,949.28x = 8,240,707,971.62
  5. Step 5: Solve for x
    x = 8,240,707,971.62/82,949.28
  6. Step 6: Final answer
    x = 99,346.35

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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.