Home / 68,519.38-94,547.90-38,306.38

Finding the Fourth Proportional to 68,519.38, 94,547.90 and 38,306.38

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Solution

The fourth proportional to 68,519.38, 94,547.90 and 38,306.38 is: 52,857.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,519.38 : 94,547.90 = 38,306.38 : x
  2. Step 2: Convert to fraction form
    68,519.38/94,547.90 = 38,306.38/x
  3. Step 3: Cross multiply
    68,519.38x = 94,547.90 × 38,306.38
  4. Step 4: Simplify right side
    68,519.38x = 3,621,787,785.60
  5. Step 5: Solve for x
    x = 3,621,787,785.60/68,519.38
  6. Step 6: Final answer
    x = 52,857.86

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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.