Home / 66,096.38-99,149.76-18,710.70

Finding the Fourth Proportional to 66,096.38, 99,149.76 and 18,710.70

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Solution

The fourth proportional to 66,096.38, 99,149.76 and 18,710.70 is: 28,067.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,096.38 : 99,149.76 = 18,710.70 : x
  2. Step 2: Convert to fraction form
    66,096.38/99,149.76 = 18,710.70/x
  3. Step 3: Cross multiply
    66,096.38x = 99,149.76 × 18,710.70
  4. Step 4: Simplify right side
    66,096.38x = 1,855,161,414.43
  5. Step 5: Solve for x
    x = 1,855,161,414.43/66,096.38
  6. Step 6: Final answer
    x = 28,067.52

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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.