Home / 118,023.29-177,067.78-51,469.28

Finding the Fourth Proportional to 118,023.29, 177,067.78 and 51,469.28

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Solution

The fourth proportional to 118,023.29, 177,067.78 and 51,469.28 is: 77,218.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,023.29 : 177,067.78 = 51,469.28 : x
  2. Step 2: Convert to fraction form
    118,023.29/177,067.78 = 51,469.28/x
  3. Step 3: Cross multiply
    118,023.29x = 177,067.78 × 51,469.28
  4. Step 4: Simplify right side
    118,023.29x = 9,113,550,133.79
  5. Step 5: Solve for x
    x = 9,113,550,133.79/118,023.29
  6. Step 6: Final answer
    x = 77,218.24

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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.