Home / 65,836.80-98,561.32-40,796.37

Finding the Fourth Proportional to 65,836.80, 98,561.32 and 40,796.37

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Solution

The fourth proportional to 65,836.80, 98,561.32 and 40,796.37 is: 61,074.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,836.80 : 98,561.32 = 40,796.37 : x
  2. Step 2: Convert to fraction form
    65,836.80/98,561.32 = 40,796.37/x
  3. Step 3: Cross multiply
    65,836.80x = 98,561.32 × 40,796.37
  4. Step 4: Simplify right side
    65,836.80x = 4,020,944,078.41
  5. Step 5: Solve for x
    x = 4,020,944,078.41/65,836.80
  6. Step 6: Final answer
    x = 61,074.42

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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.