Home / 98,610.06-148,046.31-51,895.74

Finding the Fourth Proportional to 98,610.06, 148,046.31 and 51,895.74

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Solution

The fourth proportional to 98,610.06, 148,046.31 and 51,895.74 is: 77,912.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,610.06 : 148,046.31 = 51,895.74 : x
  2. Step 2: Convert to fraction form
    98,610.06/148,046.31 = 51,895.74/x
  3. Step 3: Cross multiply
    98,610.06x = 148,046.31 × 51,895.74
  4. Step 4: Simplify right side
    98,610.06x = 7,682,972,388.18
  5. Step 5: Solve for x
    x = 7,682,972,388.18/98,610.06
  6. Step 6: Final answer
    x = 77,912.66

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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.