Home / 103,963.43-143,469.36-58,641.27

Finding the Fourth Proportional to 103,963.43, 143,469.36 and 58,641.27

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Solution

The fourth proportional to 103,963.43, 143,469.36 and 58,641.27 is: 80,924.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,963.43 : 143,469.36 = 58,641.27 : x
  2. Step 2: Convert to fraction form
    103,963.43/143,469.36 = 58,641.27/x
  3. Step 3: Cross multiply
    103,963.43x = 143,469.36 × 58,641.27
  4. Step 4: Simplify right side
    103,963.43x = 8,413,225,476.49
  5. Step 5: Solve for x
    x = 8,413,225,476.49/103,963.43
  6. Step 6: Final answer
    x = 80,924.86

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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.