Home / 53,854.42-80,781.66-25,767.84

Finding the Fourth Proportional to 53,854.42, 80,781.66 and 25,767.84

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Solution

The fourth proportional to 53,854.42, 80,781.66 and 25,767.84 is: 38,651.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,854.42 : 80,781.66 = 25,767.84 : x
  2. Step 2: Convert to fraction form
    53,854.42/80,781.66 = 25,767.84/x
  3. Step 3: Cross multiply
    53,854.42x = 80,781.66 × 25,767.84
  4. Step 4: Simplify right side
    53,854.42x = 2,081,568,889.81
  5. Step 5: Solve for x
    x = 2,081,568,889.81/53,854.42
  6. Step 6: Final answer
    x = 38,651.77

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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.