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Finding the Fourth Proportional to 67,878.78, 93,676.41 and 44,025.90

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Solution

The fourth proportional to 67,878.78, 93,676.41 and 44,025.90 is: 60,758.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,878.78 : 93,676.41 = 44,025.90 : x
  2. Step 2: Convert to fraction form
    67,878.78/93,676.41 = 44,025.90/x
  3. Step 3: Cross multiply
    67,878.78x = 93,676.41 × 44,025.90
  4. Step 4: Simplify right side
    67,878.78x = 4,124,188,259.02
  5. Step 5: Solve for x
    x = 4,124,188,259.02/67,878.78
  6. Step 6: Final answer
    x = 60,758.14

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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.