Home / 80,635.23-111,268.62-44,821.76

Finding the Fourth Proportional to 80,635.23, 111,268.62 and 44,821.76

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Solution

The fourth proportional to 80,635.23, 111,268.62 and 44,821.76 is: 61,849.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,635.23 : 111,268.62 = 44,821.76 : x
  2. Step 2: Convert to fraction form
    80,635.23/111,268.62 = 44,821.76/x
  3. Step 3: Cross multiply
    80,635.23x = 111,268.62 × 44,821.76
  4. Step 4: Simplify right side
    80,635.23x = 4,987,254,824.83
  5. Step 5: Solve for x
    x = 4,987,254,824.83/80,635.23
  6. Step 6: Final answer
    x = 61,849.58

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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.