Home / 79,608.47-119,441.41-40,135.86

Finding the Fourth Proportional to 79,608.47, 119,441.41 and 40,135.86

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Solution

The fourth proportional to 79,608.47, 119,441.41 and 40,135.86 is: 60,218.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,608.47 : 119,441.41 = 40,135.86 : x
  2. Step 2: Convert to fraction form
    79,608.47/119,441.41 = 40,135.86/x
  3. Step 3: Cross multiply
    79,608.47x = 119,441.41 × 40,135.86
  4. Step 4: Simplify right side
    79,608.47x = 4,793,883,709.96
  5. Step 5: Solve for x
    x = 4,793,883,709.96/79,608.47
  6. Step 6: Final answer
    x = 60,218.26

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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.