Home / 54,064.24-81,113.71-25,986.33

Finding the Fourth Proportional to 54,064.24, 81,113.71 and 25,986.33

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Solution

The fourth proportional to 54,064.24, 81,113.71 and 25,986.33 is: 38,987.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,064.24 : 81,113.71 = 25,986.33 : x
  2. Step 2: Convert to fraction form
    54,064.24/81,113.71 = 25,986.33/x
  3. Step 3: Cross multiply
    54,064.24x = 81,113.71 × 25,986.33
  4. Step 4: Simplify right side
    54,064.24x = 2,107,847,100.08
  5. Step 5: Solve for x
    x = 2,107,847,100.08/54,064.24
  6. Step 6: Final answer
    x = 38,987.83

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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.