Home / 118,859.24-164,043.81-75,857.28

Finding the Fourth Proportional to 118,859.24, 164,043.81 and 75,857.28

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Solution

The fourth proportional to 118,859.24, 164,043.81 and 75,857.28 is: 104,694.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,859.24 : 164,043.81 = 75,857.28 : x
  2. Step 2: Convert to fraction form
    118,859.24/164,043.81 = 75,857.28/x
  3. Step 3: Cross multiply
    118,859.24x = 164,043.81 × 75,857.28
  4. Step 4: Simplify right side
    118,859.24x = 12,443,917,227.44
  5. Step 5: Solve for x
    x = 12,443,917,227.44/118,859.24
  6. Step 6: Final answer
    x = 104,694.58

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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.