Home / 68,535.20-102,720.54-35,270.96

Finding the Fourth Proportional to 68,535.20, 102,720.54 and 35,270.96

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Solution

The fourth proportional to 68,535.20, 102,720.54 and 35,270.96 is: 52,864.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,535.20 : 102,720.54 = 35,270.96 : x
  2. Step 2: Convert to fraction form
    68,535.20/102,720.54 = 35,270.96/x
  3. Step 3: Cross multiply
    68,535.20x = 102,720.54 × 35,270.96
  4. Step 4: Simplify right side
    68,535.20x = 3,623,052,057.52
  5. Step 5: Solve for x
    x = 3,623,052,057.52/68,535.20
  6. Step 6: Final answer
    x = 52,864.11

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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.