Home / 115,039.11-172,550.37-36,175.89

Finding the Fourth Proportional to 115,039.11, 172,550.37 and 36,175.89

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Solution

The fourth proportional to 115,039.11, 172,550.37 and 36,175.89 is: 54,261.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,039.11 : 172,550.37 = 36,175.89 : x
  2. Step 2: Convert to fraction form
    115,039.11/172,550.37 = 36,175.89/x
  3. Step 3: Cross multiply
    115,039.11x = 172,550.37 × 36,175.89
  4. Step 4: Simplify right side
    115,039.11x = 6,242,163,204.58
  5. Step 5: Solve for x
    x = 6,242,163,204.58/115,039.11
  6. Step 6: Final answer
    x = 54,261.23

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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.