Home / 80,690.58-111,359.75-44,887.37

Finding the Fourth Proportional to 80,690.58, 111,359.75 and 44,887.37

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Solution

The fourth proportional to 80,690.58, 111,359.75 and 44,887.37 is: 61,948.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,690.58 : 111,359.75 = 44,887.37 : x
  2. Step 2: Convert to fraction form
    80,690.58/111,359.75 = 44,887.37/x
  3. Step 3: Cross multiply
    80,690.58x = 111,359.75 × 44,887.37
  4. Step 4: Simplify right side
    80,690.58x = 4,998,645,520.12
  5. Step 5: Solve for x
    x = 4,998,645,520.12/80,690.58
  6. Step 6: Final answer
    x = 61,948.32

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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.