Home / 89,920.73-124,091.64-49,634.53

Finding the Fourth Proportional to 89,920.73, 124,091.64 and 49,634.53

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Solution

The fourth proportional to 89,920.73, 124,091.64 and 49,634.53 is: 68,496.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,920.73 : 124,091.64 = 49,634.53 : x
  2. Step 2: Convert to fraction form
    89,920.73/124,091.64 = 49,634.53/x
  3. Step 3: Cross multiply
    89,920.73x = 124,091.64 × 49,634.53
  4. Step 4: Simplify right side
    89,920.73x = 6,159,229,607.87
  5. Step 5: Solve for x
    x = 6,159,229,607.87/89,920.73
  6. Step 6: Final answer
    x = 68,496.21

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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.