Home / 65,790.97-98,692.67-18,406.06

Finding the Fourth Proportional to 65,790.97, 98,692.67 and 18,406.06

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Solution

The fourth proportional to 65,790.97, 98,692.67 and 18,406.06 is: 27,610.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,790.97 : 98,692.67 = 18,406.06 : x
  2. Step 2: Convert to fraction form
    65,790.97/98,692.67 = 18,406.06/x
  3. Step 3: Cross multiply
    65,790.97x = 98,692.67 × 18,406.06
  4. Step 4: Simplify right side
    65,790.97x = 1,816,543,004.86
  5. Step 5: Solve for x
    x = 1,816,543,004.86/65,790.97
  6. Step 6: Final answer
    x = 27,610.83

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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.