Home / 68,438.20-102,734.10-52,924.60

Finding the Fourth Proportional to 68,438.20, 102,734.10 and 52,924.60

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Solution

The fourth proportional to 68,438.20, 102,734.10 and 52,924.60 is: 79,446.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,438.20 : 102,734.10 = 52,924.60 : x
  2. Step 2: Convert to fraction form
    68,438.20/102,734.10 = 52,924.60/x
  3. Step 3: Cross multiply
    68,438.20x = 102,734.10 × 52,924.60
  4. Step 4: Simplify right side
    68,438.20x = 5,437,161,148.86
  5. Step 5: Solve for x
    x = 5,437,161,148.86/68,438.20
  6. Step 6: Final answer
    x = 79,446.29

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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.