Home / 63,919.38-88,151.46-40,048.68

Finding the Fourth Proportional to 63,919.38, 88,151.46 and 40,048.68

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Solution

The fourth proportional to 63,919.38, 88,151.46 and 40,048.68 is: 55,231.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,919.38 : 88,151.46 = 40,048.68 : x
  2. Step 2: Convert to fraction form
    63,919.38/88,151.46 = 40,048.68/x
  3. Step 3: Cross multiply
    63,919.38x = 88,151.46 × 40,048.68
  4. Step 4: Simplify right side
    63,919.38x = 3,530,349,613.07
  5. Step 5: Solve for x
    x = 3,530,349,613.07/63,919.38
  6. Step 6: Final answer
    x = 55,231.29

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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.