Home / 68,627.85-102,959.53-40,188.83

Finding the Fourth Proportional to 68,627.85, 102,959.53 and 40,188.83

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Solution

The fourth proportional to 68,627.85, 102,959.53 and 40,188.83 is: 60,293.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,627.85 : 102,959.53 = 40,188.83 : x
  2. Step 2: Convert to fraction form
    68,627.85/102,959.53 = 40,188.83/x
  3. Step 3: Cross multiply
    68,627.85x = 102,959.53 × 40,188.83
  4. Step 4: Simplify right side
    68,627.85x = 4,137,822,432.78
  5. Step 5: Solve for x
    x = 4,137,822,432.78/68,627.85
  6. Step 6: Final answer
    x = 60,293.63

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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.