Home / 79,217.22-118,826.35-20,052.89

Finding the Fourth Proportional to 79,217.22, 118,826.35 and 20,052.89

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Solution

The fourth proportional to 79,217.22, 118,826.35 and 20,052.89 is: 30,079.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,217.22 : 118,826.35 = 20,052.89 : x
  2. Step 2: Convert to fraction form
    79,217.22/118,826.35 = 20,052.89/x
  3. Step 3: Cross multiply
    79,217.22x = 118,826.35 × 20,052.89
  4. Step 4: Simplify right side
    79,217.22x = 2,382,812,002.18
  5. Step 5: Solve for x
    x = 2,382,812,002.18/79,217.22
  6. Step 6: Final answer
    x = 30,079.47

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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.