Home / 115,629.12-159,568.92-63,944.64

Finding the Fourth Proportional to 115,629.12, 159,568.92 and 63,944.64

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Solution

The fourth proportional to 115,629.12, 159,568.92 and 63,944.64 is: 88,244.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,629.12 : 159,568.92 = 63,944.64 : x
  2. Step 2: Convert to fraction form
    115,629.12/159,568.92 = 63,944.64/x
  3. Step 3: Cross multiply
    115,629.12x = 159,568.92 × 63,944.64
  4. Step 4: Simplify right side
    115,629.12x = 10,203,577,144.59
  5. Step 5: Solve for x
    x = 10,203,577,144.59/115,629.12
  6. Step 6: Final answer
    x = 88,244.01

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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.