Home / 89,851.20-123,995.52-49,566.66

Finding the Fourth Proportional to 89,851.20, 123,995.52 and 49,566.66

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Solution

The fourth proportional to 89,851.20, 123,995.52 and 49,566.66 is: 68,402.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,851.20 : 123,995.52 = 49,566.66 : x
  2. Step 2: Convert to fraction form
    89,851.20/123,995.52 = 49,566.66/x
  3. Step 3: Cross multiply
    89,851.20x = 123,995.52 × 49,566.66
  4. Step 4: Simplify right side
    89,851.20x = 6,146,043,781.36
  5. Step 5: Solve for x
    x = 6,146,043,781.36/89,851.20
  6. Step 6: Final answer
    x = 68,402.47

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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.