Home / 89,467.20-123,466.28-49,182.66

Finding the Fourth Proportional to 89,467.20, 123,466.28 and 49,182.66

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Solution

The fourth proportional to 89,467.20, 123,466.28 and 49,182.66 is: 67,872.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,467.20 : 123,466.28 = 49,182.66 : x
  2. Step 2: Convert to fraction form
    89,467.20/123,466.28 = 49,182.66/x
  3. Step 3: Cross multiply
    89,467.20x = 123,466.28 × 49,182.66
  4. Step 4: Simplify right side
    89,467.20x = 6,072,399,824.79
  5. Step 5: Solve for x
    x = 6,072,399,824.79/89,467.20
  6. Step 6: Final answer
    x = 67,872.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.