Home / 78,817.73-108,764.17-44,821.62

Finding the Fourth Proportional to 78,817.73, 108,764.17 and 44,821.62

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Solution

The fourth proportional to 78,817.73, 108,764.17 and 44,821.62 is: 61,851.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,817.73 : 108,764.17 = 44,821.62 : x
  2. Step 2: Convert to fraction form
    78,817.73/108,764.17 = 44,821.62/x
  3. Step 3: Cross multiply
    78,817.73x = 108,764.17 × 44,821.62
  4. Step 4: Simplify right side
    78,817.73x = 4,874,986,185.30
  5. Step 5: Solve for x
    x = 4,874,986,185.30/78,817.73
  6. Step 6: Final answer
    x = 61,851.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.