Home / 98,745.06-148,438.38-79,237.02

Finding the Fourth Proportional to 98,745.06, 148,438.38 and 79,237.02

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Solution

The fourth proportional to 98,745.06, 148,438.38 and 79,237.02 is: 119,112.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,745.06 : 148,438.38 = 79,237.02 : x
  2. Step 2: Convert to fraction form
    98,745.06/148,438.38 = 79,237.02/x
  3. Step 3: Cross multiply
    98,745.06x = 148,438.38 × 79,237.02
  4. Step 4: Simplify right side
    98,745.06x = 11,761,814,884.83
  5. Step 5: Solve for x
    x = 11,761,814,884.83/98,745.06
  6. Step 6: Final answer
    x = 119,112.94

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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.