Home / 115,054.29-172,505.30-55,091.61

Finding the Fourth Proportional to 115,054.29, 172,505.30 and 55,091.61

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Solution

The fourth proportional to 115,054.29, 172,505.30 and 55,091.61 is: 82,600.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,054.29 : 172,505.30 = 55,091.61 : x
  2. Step 2: Convert to fraction form
    115,054.29/172,505.30 = 55,091.61/x
  3. Step 3: Cross multiply
    115,054.29x = 172,505.30 × 55,091.61
  4. Step 4: Simplify right side
    115,054.29x = 9,503,594,435.07
  5. Step 5: Solve for x
    x = 9,503,594,435.07/115,054.29
  6. Step 6: Final answer
    x = 82,600.96

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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.