Home / 91,019.43-125,611.13-50,733.48

Finding the Fourth Proportional to 91,019.43, 125,611.13 and 50,733.48

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Solution

The fourth proportional to 91,019.43, 125,611.13 and 50,733.48 is: 70,014.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,019.43 : 125,611.13 = 50,733.48 : x
  2. Step 2: Convert to fraction form
    91,019.43/125,611.13 = 50,733.48/x
  3. Step 3: Cross multiply
    91,019.43x = 125,611.13 × 50,733.48
  4. Step 4: Simplify right side
    91,019.43x = 6,372,689,497.97
  5. Step 5: Solve for x
    x = 6,372,689,497.97/91,019.43
  6. Step 6: Final answer
    x = 70,014.61

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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.