Home / 115,441.20-173,167.20-36,561.60

Finding the Fourth Proportional to 115,441.20, 173,167.20 and 36,561.60

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Solution

The fourth proportional to 115,441.20, 173,167.20 and 36,561.60 is: 54,844.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,441.20 : 173,167.20 = 36,561.60 : x
  2. Step 2: Convert to fraction form
    115,441.20/173,167.20 = 36,561.60/x
  3. Step 3: Cross multiply
    115,441.20x = 173,167.20 × 36,561.60
  4. Step 4: Simplify right side
    115,441.20x = 6,331,269,899.52
  5. Step 5: Solve for x
    x = 6,331,269,899.52/115,441.20
  6. Step 6: Final answer
    x = 54,844.11

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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.