Home / 103,658.48-143,046.97-58,336.41

Finding the Fourth Proportional to 103,658.48, 143,046.97 and 58,336.41

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Solution

The fourth proportional to 103,658.48, 143,046.97 and 58,336.41 is: 80,503.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,658.48 : 143,046.97 = 58,336.41 : x
  2. Step 2: Convert to fraction form
    103,658.48/143,046.97 = 58,336.41/x
  3. Step 3: Cross multiply
    103,658.48x = 143,046.97 × 58,336.41
  4. Step 4: Simplify right side
    103,658.48x = 8,344,846,691.18
  5. Step 5: Solve for x
    x = 8,344,846,691.18/103,658.48
  6. Step 6: Final answer
    x = 80,503.27

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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.