Home / 109,851.60-164,815.80-47,566.80

Finding the Fourth Proportional to 109,851.60, 164,815.80 and 47,566.80

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Solution

The fourth proportional to 109,851.60, 164,815.80 and 47,566.80 is: 71,366.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,851.60 : 164,815.80 = 47,566.80 : x
  2. Step 2: Convert to fraction form
    109,851.60/164,815.80 = 47,566.80/x
  3. Step 3: Cross multiply
    109,851.60x = 164,815.80 × 47,566.80
  4. Step 4: Simplify right side
    109,851.60x = 7,839,760,195.44
  5. Step 5: Solve for x
    x = 7,839,760,195.44/109,851.60
  6. Step 6: Final answer
    x = 71,366.83

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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.