Home / 79,209.06-118,813.86-20,044.74

Finding the Fourth Proportional to 79,209.06, 118,813.86 and 20,044.74

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Solution

The fourth proportional to 79,209.06, 118,813.86 and 20,044.74 is: 30,067.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,209.06 : 118,813.86 = 20,044.74 : x
  2. Step 2: Convert to fraction form
    79,209.06/118,813.86 = 20,044.74/x
  3. Step 3: Cross multiply
    79,209.06x = 118,813.86 × 20,044.74
  4. Step 4: Simplify right side
    79,209.06x = 2,381,592,932.10
  5. Step 5: Solve for x
    x = 2,381,592,932.10/79,209.06
  6. Step 6: Final answer
    x = 30,067.18

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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.