Home / 80,442.72-111,010.16-44,632.80

Finding the Fourth Proportional to 80,442.72, 111,010.16 and 44,632.80

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Solution

The fourth proportional to 80,442.72, 111,010.16 and 44,632.80 is: 61,592.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,442.72 : 111,010.16 = 44,632.80 : x
  2. Step 2: Convert to fraction form
    80,442.72/111,010.16 = 44,632.80/x
  3. Step 3: Cross multiply
    80,442.72x = 111,010.16 × 44,632.80
  4. Step 4: Simplify right side
    80,442.72x = 4,954,694,269.25
  5. Step 5: Solve for x
    x = 4,954,694,269.25/80,442.72
  6. Step 6: Final answer
    x = 61,592.82

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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.