Home / 80,110.46-120,136.95-23,940.11

Finding the Fourth Proportional to 80,110.46, 120,136.95 and 23,940.11

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Solution

The fourth proportional to 80,110.46, 120,136.95 and 23,940.11 is: 35,901.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,110.46 : 120,136.95 = 23,940.11 : x
  2. Step 2: Convert to fraction form
    80,110.46/120,136.95 = 23,940.11/x
  3. Step 3: Cross multiply
    80,110.46x = 120,136.95 × 23,940.11
  4. Step 4: Simplify right side
    80,110.46x = 2,876,091,197.38
  5. Step 5: Solve for x
    x = 2,876,091,197.38/80,110.46
  6. Step 6: Final answer
    x = 35,901.57

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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.