Home / 79,216.74-118,825.20-20,052.41

Finding the Fourth Proportional to 79,216.74, 118,825.20 and 20,052.41

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Solution

The fourth proportional to 79,216.74, 118,825.20 and 20,052.41 is: 30,078.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,216.74 : 118,825.20 = 20,052.41 : x
  2. Step 2: Convert to fraction form
    79,216.74/118,825.20 = 20,052.41/x
  3. Step 3: Cross multiply
    79,216.74x = 118,825.20 × 20,052.41
  4. Step 4: Simplify right side
    79,216.74x = 2,382,731,814.40
  5. Step 5: Solve for x
    x = 2,382,731,814.40/79,216.74
  6. Step 6: Final answer
    x = 30,078.64

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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.