Home / 68,686.29-94,789.17-38,471.54

Finding the Fourth Proportional to 68,686.29, 94,789.17 and 38,471.54

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Solution

The fourth proportional to 68,686.29, 94,789.17 and 38,471.54 is: 53,091.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,686.29 : 94,789.17 = 38,471.54 : x
  2. Step 2: Convert to fraction form
    68,686.29/94,789.17 = 38,471.54/x
  3. Step 3: Cross multiply
    68,686.29x = 94,789.17 × 38,471.54
  4. Step 4: Simplify right side
    68,686.29x = 3,646,684,871.28
  5. Step 5: Solve for x
    x = 3,646,684,871.28/68,686.29
  6. Step 6: Final answer
    x = 53,091.89

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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.