Home / 68,284.89-102,334.46-40,217.85

Finding the Fourth Proportional to 68,284.89, 102,334.46 and 40,217.85

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Solution

The fourth proportional to 68,284.89, 102,334.46 and 40,217.85 is: 60,272.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,284.89 : 102,334.46 = 40,217.85 : x
  2. Step 2: Convert to fraction form
    68,284.89/102,334.46 = 40,217.85/x
  3. Step 3: Cross multiply
    68,284.89x = 102,334.46 × 40,217.85
  4. Step 4: Simplify right side
    68,284.89x = 4,115,671,761.02
  5. Step 5: Solve for x
    x = 4,115,671,761.02/68,284.89
  6. Step 6: Final answer
    x = 60,272.07

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1.5x scale

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.