Home / 115,245.24-172,866.56-29,855.72

Finding the Fourth Proportional to 115,245.24, 172,866.56 and 29,855.72

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Solution

The fourth proportional to 115,245.24, 172,866.56 and 29,855.72 is: 44,783.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,245.24 : 172,866.56 = 29,855.72 : x
  2. Step 2: Convert to fraction form
    115,245.24/172,866.56 = 29,855.72/x
  3. Step 3: Cross multiply
    115,245.24x = 172,866.56 × 29,855.72
  4. Step 4: Simplify right side
    115,245.24x = 5,161,055,612.72
  5. Step 5: Solve for x
    x = 5,161,055,612.72/115,245.24
  6. Step 6: Final answer
    x = 44,783.24

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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.