Home / 109,108.97-150,568.94-61,362.33

Finding the Fourth Proportional to 109,108.97, 150,568.94 and 61,362.33

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Solution

The fourth proportional to 109,108.97, 150,568.94 and 61,362.33 is: 84,679.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,108.97 : 150,568.94 = 61,362.33 : x
  2. Step 2: Convert to fraction form
    109,108.97/150,568.94 = 61,362.33/x
  3. Step 3: Cross multiply
    109,108.97x = 150,568.94 × 61,362.33
  4. Step 4: Simplify right side
    109,108.97x = 9,239,260,572.80
  5. Step 5: Solve for x
    x = 9,239,260,572.80/109,108.97
  6. Step 6: Final answer
    x = 84,679.20

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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.