Home / 104,067.18-143,619.14-58,728.58

Finding the Fourth Proportional to 104,067.18, 143,619.14 and 58,728.58

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Solution

The fourth proportional to 104,067.18, 143,619.14 and 58,728.58 is: 81,049.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,067.18 : 143,619.14 = 58,728.58 : x
  2. Step 2: Convert to fraction form
    104,067.18/143,619.14 = 58,728.58/x
  3. Step 3: Cross multiply
    104,067.18x = 143,619.14 × 58,728.58
  4. Step 4: Simplify right side
    104,067.18x = 8,434,547,940.79
  5. Step 5: Solve for x
    x = 8,434,547,940.79/104,067.18
  6. Step 6: Final answer
    x = 81,049.07

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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.