Home / 91,019.88-125,611.75-50,733.98

Finding the Fourth Proportional to 91,019.88, 125,611.75 and 50,733.98

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Solution

The fourth proportional to 91,019.88, 125,611.75 and 50,733.98 is: 70,015.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,019.88 : 125,611.75 = 50,733.98 : x
  2. Step 2: Convert to fraction form
    91,019.88/125,611.75 = 50,733.98/x
  3. Step 3: Cross multiply
    91,019.88x = 125,611.75 × 50,733.98
  4. Step 4: Simplify right side
    91,019.88x = 6,372,783,130.54
  5. Step 5: Solve for x
    x = 6,372,783,130.54/91,019.88
  6. Step 6: Final answer
    x = 70,015.29

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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.