Home / 83,961.92-115,670.37-58,424.37

Finding the Fourth Proportional to 83,961.92, 115,670.37 and 58,424.37

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Solution

The fourth proportional to 83,961.92, 115,670.37 and 58,424.37 is: 80,488.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,961.92 : 115,670.37 = 58,424.37 : x
  2. Step 2: Convert to fraction form
    83,961.92/115,670.37 = 58,424.37/x
  3. Step 3: Cross multiply
    83,961.92x = 115,670.37 × 58,424.37
  4. Step 4: Simplify right side
    83,961.92x = 6,757,968,494.92
  5. Step 5: Solve for x
    x = 6,757,968,494.92/83,961.92
  6. Step 6: Final answer
    x = 80,488.49

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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.