Home / 91,734.75-137,621.88-28,553.54

Finding the Fourth Proportional to 91,734.75, 137,621.88 and 28,553.54

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Solution

The fourth proportional to 91,734.75, 137,621.88 and 28,553.54 is: 42,836.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,734.75 : 137,621.88 = 28,553.54 : x
  2. Step 2: Convert to fraction form
    91,734.75/137,621.88 = 28,553.54/x
  3. Step 3: Cross multiply
    91,734.75x = 137,621.88 × 28,553.54
  4. Step 4: Simplify right side
    91,734.75x = 3,929,591,167.35
  5. Step 5: Solve for x
    x = 3,929,591,167.35/91,734.75
  6. Step 6: Final answer
    x = 42,836.45

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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.