Home / 66,359.52-91,576.68-36,144.96

Finding the Fourth Proportional to 66,359.52, 91,576.68 and 36,144.96

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Solution

The fourth proportional to 66,359.52, 91,576.68 and 36,144.96 is: 49,880.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,359.52 : 91,576.68 = 36,144.96 : x
  2. Step 2: Convert to fraction form
    66,359.52/91,576.68 = 36,144.96/x
  3. Step 3: Cross multiply
    66,359.52x = 91,576.68 × 36,144.96
  4. Step 4: Simplify right side
    66,359.52x = 3,310,035,435.53
  5. Step 5: Solve for x
    x = 3,310,035,435.53/66,359.52
  6. Step 6: Final answer
    x = 49,880.34

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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.