Home / 94,136.32-141,272.46-54,640.72

Finding the Fourth Proportional to 94,136.32, 141,272.46 and 54,640.72

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Solution

The fourth proportional to 94,136.32, 141,272.46 and 54,640.72 is: 82,000.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,136.32 : 141,272.46 = 54,640.72 : x
  2. Step 2: Convert to fraction form
    94,136.32/141,272.46 = 54,640.72/x
  3. Step 3: Cross multiply
    94,136.32x = 141,272.46 × 54,640.72
  4. Step 4: Simplify right side
    94,136.32x = 7,719,228,930.57
  5. Step 5: Solve for x
    x = 7,719,228,930.57/94,136.32
  6. Step 6: Final answer
    x = 82,000.54

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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.