Home / 80,665.49-111,321.07-44,368.47

Finding the Fourth Proportional to 80,665.49, 111,321.07 and 44,368.47

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Solution

The fourth proportional to 80,665.49, 111,321.07 and 44,368.47 is: 61,229.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,665.49 : 111,321.07 = 44,368.47 : x
  2. Step 2: Convert to fraction form
    80,665.49/111,321.07 = 44,368.47/x
  3. Step 3: Cross multiply
    80,665.49x = 111,321.07 × 44,368.47
  4. Step 4: Simplify right side
    80,665.49x = 4,939,145,083.01
  5. Step 5: Solve for x
    x = 4,939,145,083.01/80,665.49
  6. Step 6: Final answer
    x = 61,229.97

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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.