Home / 94,747.92-142,097.08-28,170.12

Finding the Fourth Proportional to 94,747.92, 142,097.08 and 28,170.12

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Solution

The fourth proportional to 94,747.92, 142,097.08 and 28,170.12 is: 42,247.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,747.92 : 142,097.08 = 28,170.12 : x
  2. Step 2: Convert to fraction form
    94,747.92/142,097.08 = 28,170.12/x
  3. Step 3: Cross multiply
    94,747.92x = 142,097.08 × 28,170.12
  4. Step 4: Simplify right side
    94,747.92x = 4,002,891,795.25
  5. Step 5: Solve for x
    x = 4,002,891,795.25/94,747.92
  6. Step 6: Final answer
    x = 42,247.81

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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.