Home / 98,912.01-148,198.97-70,687.86

Finding the Fourth Proportional to 98,912.01, 148,198.97 and 70,687.86

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Solution

The fourth proportional to 98,912.01, 148,198.97 and 70,687.86 is: 105,910.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,912.01 : 148,198.97 = 70,687.86 : x
  2. Step 2: Convert to fraction form
    98,912.01/148,198.97 = 70,687.86/x
  3. Step 3: Cross multiply
    98,912.01x = 148,198.97 × 70,687.86
  4. Step 4: Simplify right side
    98,912.01x = 10,475,868,220.22
  5. Step 5: Solve for x
    x = 10,475,868,220.22/98,912.01
  6. Step 6: Final answer
    x = 105,910.98

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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.