Home / 68,890.36-95,062.13-38,668.76

Finding the Fourth Proportional to 68,890.36, 95,062.13 and 38,668.76

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Solution

The fourth proportional to 68,890.36, 95,062.13 and 38,668.76 is: 53,359.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,890.36 : 95,062.13 = 38,668.76 : x
  2. Step 2: Convert to fraction form
    68,890.36/95,062.13 = 38,668.76/x
  3. Step 3: Cross multiply
    68,890.36x = 95,062.13 × 38,668.76
  4. Step 4: Simplify right side
    68,890.36x = 3,675,934,214.75
  5. Step 5: Solve for x
    x = 3,675,934,214.75/68,890.36
  6. Step 6: Final answer
    x = 53,359.20

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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.