Home / 115,558.80-173,338.20-36,679.20

Finding the Fourth Proportional to 115,558.80, 173,338.20 and 36,679.20

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Solution

The fourth proportional to 115,558.80, 173,338.20 and 36,679.20 is: 55,018.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,558.80 : 173,338.20 = 36,679.20 : x
  2. Step 2: Convert to fraction form
    115,558.80/173,338.20 = 36,679.20/x
  3. Step 3: Cross multiply
    115,558.80x = 173,338.20 × 36,679.20
  4. Step 4: Simplify right side
    115,558.80x = 6,357,906,505.44
  5. Step 5: Solve for x
    x = 6,357,906,505.44/115,558.80
  6. Step 6: Final answer
    x = 55,018.80

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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.