Home / 53,451.91-80,135.20-25,357.87

Finding the Fourth Proportional to 53,451.91, 80,135.20 and 25,357.87

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Solution

The fourth proportional to 53,451.91, 80,135.20 and 25,357.87 is: 38,016.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,451.91 : 80,135.20 = 25,357.87 : x
  2. Step 2: Convert to fraction form
    53,451.91/80,135.20 = 25,357.87/x
  3. Step 3: Cross multiply
    53,451.91x = 80,135.20 × 25,357.87
  4. Step 4: Simplify right side
    53,451.91x = 2,032,057,984.02
  5. Step 5: Solve for x
    x = 2,032,057,984.02/53,451.91
  6. Step 6: Final answer
    x = 38,016.56

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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.