Home / 80,666.14-111,317.87-44,855.38

Finding the Fourth Proportional to 80,666.14, 111,317.87 and 44,855.38

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Solution

The fourth proportional to 80,666.14, 111,317.87 and 44,855.38 is: 61,899.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,666.14 : 111,317.87 = 44,855.38 : x
  2. Step 2: Convert to fraction form
    80,666.14/111,317.87 = 44,855.38/x
  3. Step 3: Cross multiply
    80,666.14x = 111,317.87 × 44,855.38
  4. Step 4: Simplify right side
    80,666.14x = 4,993,204,857.07
  5. Step 5: Solve for x
    x = 4,993,204,857.07/80,666.14
  6. Step 6: Final answer
    x = 61,899.64

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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.