Home / 98,865.56-148,320.22-54,469.46

Finding the Fourth Proportional to 98,865.56, 148,320.22 and 54,469.46

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Solution

The fourth proportional to 98,865.56, 148,320.22 and 54,469.46 is: 81,716.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,865.56 : 148,320.22 = 54,469.46 : x
  2. Step 2: Convert to fraction form
    98,865.56/148,320.22 = 54,469.46/x
  3. Step 3: Cross multiply
    98,865.56x = 148,320.22 × 54,469.46
  4. Step 4: Simplify right side
    98,865.56x = 8,078,922,290.48
  5. Step 5: Solve for x
    x = 8,078,922,290.48/98,865.56
  6. Step 6: Final answer
    x = 81,716.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.