Home / 66,827.33-100,209.60-38,755.36

Finding the Fourth Proportional to 66,827.33, 100,209.60 and 38,755.36

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Solution

The fourth proportional to 66,827.33, 100,209.60 and 38,755.36 is: 58,114.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,827.33 : 100,209.60 = 38,755.36 : x
  2. Step 2: Convert to fraction form
    66,827.33/100,209.60 = 38,755.36/x
  3. Step 3: Cross multiply
    66,827.33x = 100,209.60 × 38,755.36
  4. Step 4: Simplify right side
    66,827.33x = 3,883,659,123.46
  5. Step 5: Solve for x
    x = 3,883,659,123.46/66,827.33
  6. Step 6: Final answer
    x = 58,114.83

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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.