Home / 89,922.75-124,100.27-49,644.28

Finding the Fourth Proportional to 89,922.75, 124,100.27 and 49,644.28

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Solution

The fourth proportional to 89,922.75, 124,100.27 and 49,644.28 is: 68,512.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,922.75 : 124,100.27 = 49,644.28 : x
  2. Step 2: Convert to fraction form
    89,922.75/124,100.27 = 49,644.28/x
  3. Step 3: Cross multiply
    89,922.75x = 124,100.27 × 49,644.28
  4. Step 4: Simplify right side
    89,922.75x = 6,160,868,551.96
  5. Step 5: Solve for x
    x = 6,160,868,551.96/89,922.75
  6. Step 6: Final answer
    x = 68,512.90

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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.