Home / 89,830.44-123,852.27-59,198.78

Finding the Fourth Proportional to 89,830.44, 123,852.27 and 59,198.78

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Solution

The fourth proportional to 89,830.44, 123,852.27 and 59,198.78 is: 81,619.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,830.44 : 123,852.27 = 59,198.78 : x
  2. Step 2: Convert to fraction form
    89,830.44/123,852.27 = 59,198.78/x
  3. Step 3: Cross multiply
    89,830.44x = 123,852.27 × 59,198.78
  4. Step 4: Simplify right side
    89,830.44x = 7,331,902,664.97
  5. Step 5: Solve for x
    x = 7,331,902,664.97/89,830.44
  6. Step 6: Final answer
    x = 81,619.36

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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.