Home / 115,550.24-159,449.42-66,493.44

Finding the Fourth Proportional to 115,550.24, 159,449.42 and 66,493.44

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Solution

The fourth proportional to 115,550.24, 159,449.42 and 66,493.44 is: 91,755.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,550.24 : 159,449.42 = 66,493.44 : x
  2. Step 2: Convert to fraction form
    115,550.24/159,449.42 = 66,493.44/x
  3. Step 3: Cross multiply
    115,550.24x = 159,449.42 × 66,493.44
  4. Step 4: Simplify right side
    115,550.24x = 10,602,340,608.04
  5. Step 5: Solve for x
    x = 10,602,340,608.04/115,550.24
  6. Step 6: Final answer
    x = 91,755.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.