Home / 68,749.11-94,872.89-38,534.38

Finding the Fourth Proportional to 68,749.11, 94,872.89 and 38,534.38

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Solution

The fourth proportional to 68,749.11, 94,872.89 and 38,534.38 is: 53,176.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,749.11 : 94,872.89 = 38,534.38 : x
  2. Step 2: Convert to fraction form
    68,749.11/94,872.89 = 38,534.38/x
  3. Step 3: Cross multiply
    68,749.11x = 94,872.89 × 38,534.38
  4. Step 4: Simplify right side
    68,749.11x = 3,655,867,854.11
  5. Step 5: Solve for x
    x = 3,655,867,854.11/68,749.11
  6. Step 6: Final answer
    x = 53,176.95

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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.