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Finding the Fourth Proportional to 55,466.52, 83,121.96 and 36,959.64

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Solution

The fourth proportional to 55,466.52, 83,121.96 and 36,959.64 is: 55,387.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,466.52 : 83,121.96 = 36,959.64 : x
  2. Step 2: Convert to fraction form
    55,466.52/83,121.96 = 36,959.64/x
  3. Step 3: Cross multiply
    55,466.52x = 83,121.96 × 36,959.64
  4. Step 4: Simplify right side
    55,466.52x = 3,072,157,717.69
  5. Step 5: Solve for x
    x = 3,072,157,717.69/55,466.52
  6. Step 6: Final answer
    x = 55,387.61

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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.