Home / 55,306.33-83,042.57-31,640.60

Finding the Fourth Proportional to 55,306.33, 83,042.57 and 31,640.60

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Solution

The fourth proportional to 55,306.33, 83,042.57 and 31,640.60 is: 47,508.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,306.33 : 83,042.57 = 31,640.60 : x
  2. Step 2: Convert to fraction form
    55,306.33/83,042.57 = 31,640.60/x
  3. Step 3: Cross multiply
    55,306.33x = 83,042.57 × 31,640.60
  4. Step 4: Simplify right side
    55,306.33x = 2,627,516,740.34
  5. Step 5: Solve for x
    x = 2,627,516,740.34/55,306.33
  6. Step 6: Final answer
    x = 47,508.43

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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.