Home / 80,899.62-111,644.10-45,097.23

Finding the Fourth Proportional to 80,899.62, 111,644.10 and 45,097.23

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Solution

The fourth proportional to 80,899.62, 111,644.10 and 45,097.23 is: 62,235.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,899.62 : 111,644.10 = 45,097.23 : x
  2. Step 2: Convert to fraction form
    80,899.62/111,644.10 = 45,097.23/x
  3. Step 3: Cross multiply
    80,899.62x = 111,644.10 × 45,097.23
  4. Step 4: Simplify right side
    80,899.62x = 5,034,839,655.84
  5. Step 5: Solve for x
    x = 5,034,839,655.84/80,899.62
  6. Step 6: Final answer
    x = 62,235.64

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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.