Home / 79,642.76-119,392.86-32,865.80

Finding the Fourth Proportional to 79,642.76, 119,392.86 and 32,865.80

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Solution

The fourth proportional to 79,642.76, 119,392.86 and 32,865.80 is: 49,269.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,642.76 : 119,392.86 = 32,865.80 : x
  2. Step 2: Convert to fraction form
    79,642.76/119,392.86 = 32,865.80/x
  3. Step 3: Cross multiply
    79,642.76x = 119,392.86 × 32,865.80
  4. Step 4: Simplify right side
    79,642.76x = 3,923,941,858.19
  5. Step 5: Solve for x
    x = 3,923,941,858.19/79,642.76
  6. Step 6: Final answer
    x = 49,269.29

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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.