Home / 80,845.98-111,570.84-45,036

Finding the Fourth Proportional to 80,845.98, 111,570.84 and 45,036

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Solution

The fourth proportional to 80,845.98, 111,570.84 and 45,036 is: 62,151.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,845.98 : 111,570.84 = 45,036 : x
  2. Step 2: Convert to fraction form
    80,845.98/111,570.84 = 45,036/x
  3. Step 3: Cross multiply
    80,845.98x = 111,570.84 × 45,036
  4. Step 4: Simplify right side
    80,845.98x = 5,024,704,350.24
  5. Step 5: Solve for x
    x = 5,024,704,350.24/80,845.98
  6. Step 6: Final answer
    x = 62,151.57

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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.