Home / 80,899.26-111,644.78-45,089.52

Finding the Fourth Proportional to 80,899.26, 111,644.78 and 45,089.52

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Solution

The fourth proportional to 80,899.26, 111,644.78 and 45,089.52 is: 62,225.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,899.26 : 111,644.78 = 45,089.52 : x
  2. Step 2: Convert to fraction form
    80,899.26/111,644.78 = 45,089.52/x
  3. Step 3: Cross multiply
    80,899.26x = 111,644.78 × 45,089.52
  4. Step 4: Simplify right side
    80,899.26x = 5,034,009,540.71
  5. Step 5: Solve for x
    x = 5,034,009,540.71/80,899.26
  6. Step 6: Final answer
    x = 62,225.66

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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.