Home / 79,747.89-119,640.35-27,157.83

Finding the Fourth Proportional to 79,747.89, 119,640.35 and 27,157.83

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Solution

The fourth proportional to 79,747.89, 119,640.35 and 27,157.83 is: 40,743.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,747.89 : 119,640.35 = 27,157.83 : x
  2. Step 2: Convert to fraction form
    79,747.89/119,640.35 = 27,157.83/x
  3. Step 3: Cross multiply
    79,747.89x = 119,640.35 × 27,157.83
  4. Step 4: Simplify right side
    79,747.89x = 3,249,171,552.45
  5. Step 5: Solve for x
    x = 3,249,171,552.45/79,747.89
  6. Step 6: Final answer
    x = 40,743.04

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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.