Home / 99,822.28-137,755.38-55,110.28

Finding the Fourth Proportional to 99,822.28, 137,755.38 and 55,110.28

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Solution

The fourth proportional to 99,822.28, 137,755.38 and 55,110.28 is: 76,052.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,822.28 : 137,755.38 = 55,110.28 : x
  2. Step 2: Convert to fraction form
    99,822.28/137,755.38 = 55,110.28/x
  3. Step 3: Cross multiply
    99,822.28x = 137,755.38 × 55,110.28
  4. Step 4: Simplify right side
    99,822.28x = 7,591,737,563.31
  5. Step 5: Solve for x
    x = 7,591,737,563.31/99,822.28
  6. Step 6: Final answer
    x = 76,052.54

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1.5x scale

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.