Home / 66,221.27-91,385.82-36,006.56

Finding the Fourth Proportional to 66,221.27, 91,385.82 and 36,006.56

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Solution

The fourth proportional to 66,221.27, 91,385.82 and 36,006.56 is: 49,689.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,221.27 : 91,385.82 = 36,006.56 : x
  2. Step 2: Convert to fraction form
    66,221.27/91,385.82 = 36,006.56/x
  3. Step 3: Cross multiply
    66,221.27x = 91,385.82 × 36,006.56
  4. Step 4: Simplify right side
    66,221.27x = 3,290,488,554.05
  5. Step 5: Solve for x
    x = 3,290,488,554.05/66,221.27
  6. Step 6: Final answer
    x = 49,689.30

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1.5x scale

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.