Home / 89,197.20-133,808.76-47,621.52

Finding the Fourth Proportional to 89,197.20, 133,808.76 and 47,621.52

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Solution

The fourth proportional to 89,197.20, 133,808.76 and 47,621.52 is: 71,439.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,197.20 : 133,808.76 = 47,621.52 : x
  2. Step 2: Convert to fraction form
    89,197.20/133,808.76 = 47,621.52/x
  3. Step 3: Cross multiply
    89,197.20x = 133,808.76 × 47,621.52
  4. Step 4: Simplify right side
    89,197.20x = 6,372,176,540.52
  5. Step 5: Solve for x
    x = 6,372,176,540.52/89,197.20
  6. Step 6: Final answer
    x = 71,439.20

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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.