Home / 91,131.62-125,761.46-50,842.98

Finding the Fourth Proportional to 91,131.62, 125,761.46 and 50,842.98

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Solution

The fourth proportional to 91,131.62, 125,761.46 and 50,842.98 is: 70,163.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,131.62 : 125,761.46 = 50,842.98 : x
  2. Step 2: Convert to fraction form
    91,131.62/125,761.46 = 50,842.98/x
  3. Step 3: Cross multiply
    91,131.62x = 125,761.46 × 50,842.98
  4. Step 4: Simplify right side
    91,131.62x = 6,394,087,141.34
  5. Step 5: Solve for x
    x = 6,394,087,141.34/91,131.62
  6. Step 6: Final answer
    x = 70,163.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.