Home / 115,052.80-172,551.86-51,833.92

Finding the Fourth Proportional to 115,052.80, 172,551.86 and 51,833.92

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Solution

The fourth proportional to 115,052.80, 172,551.86 and 51,833.92 is: 77,738.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,052.80 : 172,551.86 = 51,833.92 : x
  2. Step 2: Convert to fraction form
    115,052.80/172,551.86 = 51,833.92/x
  3. Step 3: Cross multiply
    115,052.80x = 172,551.86 × 51,833.92
  4. Step 4: Simplify right side
    115,052.80x = 8,944,038,616.54
  5. Step 5: Solve for x
    x = 8,944,038,616.54/115,052.80
  6. Step 6: Final answer
    x = 77,738.56

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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.