Home / 66,142.32-91,212.12-50,227.44

Finding the Fourth Proportional to 66,142.32, 91,212.12 and 50,227.44

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Solution

The fourth proportional to 66,142.32, 91,212.12 and 50,227.44 is: 69,265.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,142.32 : 91,212.12 = 50,227.44 : x
  2. Step 2: Convert to fraction form
    66,142.32/91,212.12 = 50,227.44/x
  3. Step 3: Cross multiply
    66,142.32x = 91,212.12 × 50,227.44
  4. Step 4: Simplify right side
    66,142.32x = 4,581,351,284.57
  5. Step 5: Solve for x
    x = 4,581,351,284.57/66,142.32
  6. Step 6: Final answer
    x = 69,265.05

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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.