Home / 66,197.28-99,366.66-26,780.16

Finding the Fourth Proportional to 66,197.28, 99,366.66 and 26,780.16

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Solution

The fourth proportional to 66,197.28, 99,366.66 and 26,780.16 is: 40,198.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,197.28 : 99,366.66 = 26,780.16 : x
  2. Step 2: Convert to fraction form
    66,197.28/99,366.66 = 26,780.16/x
  3. Step 3: Cross multiply
    66,197.28x = 99,366.66 × 26,780.16
  4. Step 4: Simplify right side
    66,197.28x = 2,661,055,053.47
  5. Step 5: Solve for x
    x = 2,661,055,053.47/66,197.28
  6. Step 6: Final answer
    x = 40,198.86

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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.