Home / 62,138.56-85,753.20-33,844.72

Finding the Fourth Proportional to 62,138.56, 85,753.20 and 33,844.72

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Solution

The fourth proportional to 62,138.56, 85,753.20 and 33,844.72 is: 46,706.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,138.56 : 85,753.20 = 33,844.72 : x
  2. Step 2: Convert to fraction form
    62,138.56/85,753.20 = 33,844.72/x
  3. Step 3: Cross multiply
    62,138.56x = 85,753.20 × 33,844.72
  4. Step 4: Simplify right side
    62,138.56x = 2,902,293,043.10
  5. Step 5: Solve for x
    x = 2,902,293,043.10/62,138.56
  6. Step 6: Final answer
    x = 46,706.80

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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.