Home / 115,839.70-173,871.90-55,910.37

Finding the Fourth Proportional to 115,839.70, 173,871.90 and 55,910.37

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Solution

The fourth proportional to 115,839.70, 173,871.90 and 55,910.37 is: 83,919.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,839.70 : 173,871.90 = 55,910.37 : x
  2. Step 2: Convert to fraction form
    115,839.70/173,871.90 = 55,910.37/x
  3. Step 3: Cross multiply
    115,839.70x = 173,871.90 × 55,910.37
  4. Step 4: Simplify right side
    115,839.70x = 9,721,242,261.60
  5. Step 5: Solve for x
    x = 9,721,242,261.60/115,839.70
  6. Step 6: Final answer
    x = 83,919.78

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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.