Home / 66,358.67-91,575.54-36,144.12

Finding the Fourth Proportional to 66,358.67, 91,575.54 and 36,144.12

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Solution

The fourth proportional to 66,358.67, 91,575.54 and 36,144.12 is: 49,879.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,358.67 : 91,575.54 = 36,144.12 : x
  2. Step 2: Convert to fraction form
    66,358.67/91,575.54 = 36,144.12/x
  3. Step 3: Cross multiply
    66,358.67x = 91,575.54 × 36,144.12
  4. Step 4: Simplify right side
    66,358.67x = 3,309,917,306.82
  5. Step 5: Solve for x
    x = 3,309,917,306.82/66,358.67
  6. Step 6: Final answer
    x = 49,879.20

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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.