Home / 89,163.45-123,058.13-55,182.84

Finding the Fourth Proportional to 89,163.45, 123,058.13 and 55,182.84

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Solution

The fourth proportional to 89,163.45, 123,058.13 and 55,182.84 is: 76,160.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,163.45 : 123,058.13 = 55,182.84 : x
  2. Step 2: Convert to fraction form
    89,163.45/123,058.13 = 55,182.84/x
  3. Step 3: Cross multiply
    89,163.45x = 123,058.13 × 55,182.84
  4. Step 4: Simplify right side
    89,163.45x = 6,790,696,822.58
  5. Step 5: Solve for x
    x = 6,790,696,822.58/89,163.45
  6. Step 6: Final answer
    x = 76,160.10

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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.