Home / 66,517.38-91,793.99-49,536.20

Finding the Fourth Proportional to 66,517.38, 91,793.99 and 49,536.20

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Solution

The fourth proportional to 66,517.38, 91,793.99 and 49,536.20 is: 68,359.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,517.38 : 91,793.99 = 49,536.20 : x
  2. Step 2: Convert to fraction form
    66,517.38/91,793.99 = 49,536.20/x
  3. Step 3: Cross multiply
    66,517.38x = 91,793.99 × 49,536.20
  4. Step 4: Simplify right side
    66,517.38x = 4,547,125,447.44
  5. Step 5: Solve for x
    x = 4,547,125,447.44/66,517.38
  6. Step 6: Final answer
    x = 68,359.96

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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.