Home / 115,550.72-173,318.40-45,441.92

Finding the Fourth Proportional to 115,550.72, 173,318.40 and 45,441.92

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Solution

The fourth proportional to 115,550.72, 173,318.40 and 45,441.92 is: 68,159.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,550.72 : 173,318.40 = 45,441.92 : x
  2. Step 2: Convert to fraction form
    115,550.72/173,318.40 = 45,441.92/x
  3. Step 3: Cross multiply
    115,550.72x = 173,318.40 × 45,441.92
  4. Step 4: Simplify right side
    115,550.72x = 7,875,920,867.33
  5. Step 5: Solve for x
    x = 7,875,920,867.33/115,550.72
  6. Step 6: Final answer
    x = 68,159.86

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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.