Home / 65,185.20-97,777.80-50,422.95

Finding the Fourth Proportional to 65,185.20, 97,777.80 and 50,422.95

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Solution

The fourth proportional to 65,185.20, 97,777.80 and 50,422.95 is: 75,634.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,185.20 : 97,777.80 = 50,422.95 : x
  2. Step 2: Convert to fraction form
    65,185.20/97,777.80 = 50,422.95/x
  3. Step 3: Cross multiply
    65,185.20x = 97,777.80 × 50,422.95
  4. Step 4: Simplify right side
    65,185.20x = 4,930,245,120.51
  5. Step 5: Solve for x
    x = 4,930,245,120.51/65,185.20
  6. Step 6: Final answer
    x = 75,634.43

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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.