Home / 57,086.19-78,854.25-43,821.36

Finding the Fourth Proportional to 57,086.19, 78,854.25 and 43,821.36

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Solution

The fourth proportional to 57,086.19, 78,854.25 and 43,821.36 is: 60,531.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,086.19 : 78,854.25 = 43,821.36 : x
  2. Step 2: Convert to fraction form
    57,086.19/78,854.25 = 43,821.36/x
  3. Step 3: Cross multiply
    57,086.19x = 78,854.25 × 43,821.36
  4. Step 4: Simplify right side
    57,086.19x = 3,455,500,476.78
  5. Step 5: Solve for x
    x = 3,455,500,476.78/57,086.19
  6. Step 6: Final answer
    x = 60,531.29

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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.