Home / 68,376.32-102,505.60-26,813.44

Finding the Fourth Proportional to 68,376.32, 102,505.60 and 26,813.44

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Solution

The fourth proportional to 68,376.32, 102,505.60 and 26,813.44 is: 40,197.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,376.32 : 102,505.60 = 26,813.44 : x
  2. Step 2: Convert to fraction form
    68,376.32/102,505.60 = 26,813.44/x
  3. Step 3: Cross multiply
    68,376.32x = 102,505.60 × 26,813.44
  4. Step 4: Simplify right side
    68,376.32x = 2,748,527,755.26
  5. Step 5: Solve for x
    x = 2,748,527,755.26/68,376.32
  6. Step 6: Final answer
    x = 40,197.07

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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.