Home / 90,611.05-125,046.44-50,325.57

Finding the Fourth Proportional to 90,611.05, 125,046.44 and 50,325.57

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Solution

The fourth proportional to 90,611.05, 125,046.44 and 50,325.57 is: 69,451.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,611.05 : 125,046.44 = 50,325.57 : x
  2. Step 2: Convert to fraction form
    90,611.05/125,046.44 = 50,325.57/x
  3. Step 3: Cross multiply
    90,611.05x = 125,046.44 × 50,325.57
  4. Step 4: Simplify right side
    90,611.05x = 6,293,033,369.47
  5. Step 5: Solve for x
    x = 6,293,033,369.47/90,611.05
  6. Step 6: Final answer
    x = 69,451.06

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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.