Home / 66,251.42-91,426.20-49,331.33

Finding the Fourth Proportional to 66,251.42, 91,426.20 and 49,331.33

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Solution

The fourth proportional to 66,251.42, 91,426.20 and 49,331.33 is: 68,076.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,251.42 : 91,426.20 = 49,331.33 : x
  2. Step 2: Convert to fraction form
    66,251.42/91,426.20 = 49,331.33/x
  3. Step 3: Cross multiply
    66,251.42x = 91,426.20 × 49,331.33
  4. Step 4: Simplify right side
    66,251.42x = 4,510,176,042.85
  5. Step 5: Solve for x
    x = 4,510,176,042.85/66,251.42
  6. Step 6: Final answer
    x = 68,076.67

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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.