Home / 99,105.26-148,658.23-28,984.57

Finding the Fourth Proportional to 99,105.26, 148,658.23 and 28,984.57

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Solution

The fourth proportional to 99,105.26, 148,658.23 and 28,984.57 is: 43,476.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,105.26 : 148,658.23 = 28,984.57 : x
  2. Step 2: Convert to fraction form
    99,105.26/148,658.23 = 28,984.57/x
  3. Step 3: Cross multiply
    99,105.26x = 148,658.23 × 28,984.57
  4. Step 4: Simplify right side
    99,105.26x = 4,308,794,538.10
  5. Step 5: Solve for x
    x = 4,308,794,538.10/99,105.26
  6. Step 6: Final answer
    x = 43,476.95

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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.