Home / 115,121.11-172,709.31-44,042.59

Finding the Fourth Proportional to 115,121.11, 172,709.31 and 44,042.59

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Solution

The fourth proportional to 115,121.11, 172,709.31 and 44,042.59 is: 66,074.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,121.11 : 172,709.31 = 44,042.59 : x
  2. Step 2: Convert to fraction form
    115,121.11/172,709.31 = 44,042.59/x
  3. Step 3: Cross multiply
    115,121.11x = 172,709.31 × 44,042.59
  4. Step 4: Simplify right side
    115,121.11x = 7,606,564,739.07
  5. Step 5: Solve for x
    x = 7,606,564,739.07/115,121.11
  6. Step 6: Final answer
    x = 66,074.46

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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.