Home / 80,694.60-111,365.28-44,891.36

Finding the Fourth Proportional to 80,694.60, 111,365.28 and 44,891.36

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Solution

The fourth proportional to 80,694.60, 111,365.28 and 44,891.36 is: 61,953.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,694.60 : 111,365.28 = 44,891.36 : x
  2. Step 2: Convert to fraction form
    80,694.60/111,365.28 = 44,891.36/x
  3. Step 3: Cross multiply
    80,694.60x = 111,365.28 × 44,891.36
  4. Step 4: Simplify right side
    80,694.60x = 4,999,338,875.98
  5. Step 5: Solve for x
    x = 4,999,338,875.98/80,694.60
  6. Step 6: Final answer
    x = 61,953.82

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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.