Home / 65,675.30-98,451.23-49,640.31

Finding the Fourth Proportional to 65,675.30, 98,451.23 and 49,640.31

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Solution

The fourth proportional to 65,675.30, 98,451.23 and 49,640.31 is: 74,413.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,675.30 : 98,451.23 = 49,640.31 : x
  2. Step 2: Convert to fraction form
    65,675.30/98,451.23 = 49,640.31/x
  3. Step 3: Cross multiply
    65,675.30x = 98,451.23 × 49,640.31
  4. Step 4: Simplify right side
    65,675.30x = 4,887,149,761.16
  5. Step 5: Solve for x
    x = 4,887,149,761.16/65,675.30
  6. Step 6: Final answer
    x = 74,413.82

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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.