Home / 89,366.44-134,072.21-41,972.78

Finding the Fourth Proportional to 89,366.44, 134,072.21 and 41,972.78

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Solution

The fourth proportional to 89,366.44, 134,072.21 and 41,972.78 is: 62,969.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,366.44 : 134,072.21 = 41,972.78 : x
  2. Step 2: Convert to fraction form
    89,366.44/134,072.21 = 41,972.78/x
  3. Step 3: Cross multiply
    89,366.44x = 134,072.21 × 41,972.78
  4. Step 4: Simplify right side
    89,366.44x = 5,627,383,814.56
  5. Step 5: Solve for x
    x = 5,627,383,814.56/89,366.44
  6. Step 6: Final answer
    x = 62,969.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.