Home / 80,662.56-111,318.26-44,851.78

Finding the Fourth Proportional to 80,662.56, 111,318.26 and 44,851.78

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Solution

The fourth proportional to 80,662.56, 111,318.26 and 44,851.78 is: 61,897.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,662.56 : 111,318.26 = 44,851.78 : x
  2. Step 2: Convert to fraction form
    80,662.56/111,318.26 = 44,851.78/x
  3. Step 3: Cross multiply
    80,662.56x = 111,318.26 × 44,851.78
  4. Step 4: Simplify right side
    80,662.56x = 4,992,822,107.50
  5. Step 5: Solve for x
    x = 4,992,822,107.50/80,662.56
  6. Step 6: Final answer
    x = 61,897.64

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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.