Home / 80,562.89-111,173.69-44,755.15

Finding the Fourth Proportional to 80,562.89, 111,173.69 and 44,755.15

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Solution

The fourth proportional to 80,562.89, 111,173.69 and 44,755.15 is: 61,760.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,562.89 : 111,173.69 = 44,755.15 : x
  2. Step 2: Convert to fraction form
    80,562.89/111,173.69 = 44,755.15/x
  3. Step 3: Cross multiply
    80,562.89x = 111,173.69 × 44,755.15
  4. Step 4: Simplify right side
    80,562.89x = 4,975,595,005.96
  5. Step 5: Solve for x
    x = 4,975,595,005.96/80,562.89
  6. Step 6: Final answer
    x = 61,760.39

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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.