Home / 80,663.67-111,318.44-44,855.19

Finding the Fourth Proportional to 80,663.67, 111,318.44 and 44,855.19

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Solution

The fourth proportional to 80,663.67, 111,318.44 and 44,855.19 is: 61,901.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,663.67 : 111,318.44 = 44,855.19 : x
  2. Step 2: Convert to fraction form
    80,663.67/111,318.44 = 44,855.19/x
  3. Step 3: Cross multiply
    80,663.67x = 111,318.44 × 44,855.19
  4. Step 4: Simplify right side
    80,663.67x = 4,993,209,552.43
  5. Step 5: Solve for x
    x = 4,993,209,552.43/80,663.67
  6. Step 6: Final answer
    x = 61,901.59

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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.