Home / 82,153.62-123,245.60-26,007.84

Finding the Fourth Proportional to 82,153.62, 123,245.60 and 26,007.84

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Solution

The fourth proportional to 82,153.62, 123,245.60 and 26,007.84 is: 39,016.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,153.62 : 123,245.60 = 26,007.84 : x
  2. Step 2: Convert to fraction form
    82,153.62/123,245.60 = 26,007.84/x
  3. Step 3: Cross multiply
    82,153.62x = 123,245.60 × 26,007.84
  4. Step 4: Simplify right side
    82,153.62x = 3,205,351,715.46
  5. Step 5: Solve for x
    x = 3,205,351,715.46/82,153.62
  6. Step 6: Final answer
    x = 39,016.56

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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.