Home / 68,863.20-103,076.10-63,614.40

Finding the Fourth Proportional to 68,863.20, 103,076.10 and 63,614.40

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Solution

The fourth proportional to 68,863.20, 103,076.10 and 63,614.40 is: 95,219.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,863.20 : 103,076.10 = 63,614.40 : x
  2. Step 2: Convert to fraction form
    68,863.20/103,076.10 = 63,614.40/x
  3. Step 3: Cross multiply
    68,863.20x = 103,076.10 × 63,614.40
  4. Step 4: Simplify right side
    68,863.20x = 6,557,124,255.84
  5. Step 5: Solve for x
    x = 6,557,124,255.84/68,863.20
  6. Step 6: Final answer
    x = 95,219.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.