Home / 89,258.82-123,180.66-48,974.28

Finding the Fourth Proportional to 89,258.82, 123,180.66 and 48,974.28

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Solution

The fourth proportional to 89,258.82, 123,180.66 and 48,974.28 is: 67,586.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,258.82 : 123,180.66 = 48,974.28 : x
  2. Step 2: Convert to fraction form
    89,258.82/123,180.66 = 48,974.28/x
  3. Step 3: Cross multiply
    89,258.82x = 123,180.66 × 48,974.28
  4. Step 4: Simplify right side
    89,258.82x = 6,032,684,133.42
  5. Step 5: Solve for x
    x = 6,032,684,133.42/89,258.82
  6. Step 6: Final answer
    x = 67,586.42

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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.