Home / 89,943.24-124,119.73-49,105.97

Finding the Fourth Proportional to 89,943.24, 124,119.73 and 49,105.97

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Solution

The fourth proportional to 89,943.24, 124,119.73 and 49,105.97 is: 67,765.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,943.24 : 124,119.73 = 49,105.97 : x
  2. Step 2: Convert to fraction form
    89,943.24/124,119.73 = 49,105.97/x
  3. Step 3: Cross multiply
    89,943.24x = 124,119.73 × 49,105.97
  4. Step 4: Simplify right side
    89,943.24x = 6,095,019,737.79
  5. Step 5: Solve for x
    x = 6,095,019,737.79/89,943.24
  6. Step 6: Final answer
    x = 67,765.18

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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.