Home / 57,810.80-86,721.66-22,742.25

Finding the Fourth Proportional to 57,810.80, 86,721.66 and 22,742.25

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Solution

The fourth proportional to 57,810.80, 86,721.66 and 22,742.25 is: 34,115.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,810.80 : 86,721.66 = 22,742.25 : x
  2. Step 2: Convert to fraction form
    57,810.80/86,721.66 = 22,742.25/x
  3. Step 3: Cross multiply
    57,810.80x = 86,721.66 × 22,742.25
  4. Step 4: Simplify right side
    57,810.80x = 1,972,245,672.14
  5. Step 5: Solve for x
    x = 1,972,245,672.14/57,810.80
  6. Step 6: Final answer
    x = 34,115.53

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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.