Home / 115,684.56-159,661.80-73,247.04

Finding the Fourth Proportional to 115,684.56, 159,661.80 and 73,247.04

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Solution

The fourth proportional to 115,684.56, 159,661.80 and 73,247.04 is: 101,091.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,684.56 : 159,661.80 = 73,247.04 : x
  2. Step 2: Convert to fraction form
    115,684.56/159,661.80 = 73,247.04/x
  3. Step 3: Cross multiply
    115,684.56x = 159,661.80 × 73,247.04
  4. Step 4: Simplify right side
    115,684.56x = 11,694,754,251.07
  5. Step 5: Solve for x
    x = 11,694,754,251.07/115,684.56
  6. Step 6: Final answer
    x = 101,091.75

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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.