Home / 66,204.39-99,306.48-28,759.71

Finding the Fourth Proportional to 66,204.39, 99,306.48 and 28,759.71

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Solution

The fourth proportional to 66,204.39, 99,306.48 and 28,759.71 is: 43,139.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,204.39 : 99,306.48 = 28,759.71 : x
  2. Step 2: Convert to fraction form
    66,204.39/99,306.48 = 28,759.71/x
  3. Step 3: Cross multiply
    66,204.39x = 99,306.48 × 28,759.71
  4. Step 4: Simplify right side
    66,204.39x = 2,856,025,565.92
  5. Step 5: Solve for x
    x = 2,856,025,565.92/66,204.39
  6. Step 6: Final answer
    x = 43,139.52

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1.5x scale

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.