Home / 68,251.29-94,278.78-61,885.10

Finding the Fourth Proportional to 68,251.29, 94,278.78 and 61,885.10

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Solution

The fourth proportional to 68,251.29, 94,278.78 and 61,885.10 is: 85,484.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,251.29 : 94,278.78 = 61,885.10 : x
  2. Step 2: Convert to fraction form
    68,251.29/94,278.78 = 61,885.10/x
  3. Step 3: Cross multiply
    68,251.29x = 94,278.78 × 61,885.10
  4. Step 4: Simplify right side
    68,251.29x = 5,834,451,256.78
  5. Step 5: Solve for x
    x = 5,834,451,256.78/68,251.29
  6. Step 6: Final answer
    x = 85,484.85

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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.