Home / 81,800.73-122,703.84-22,631.45

Finding the Fourth Proportional to 81,800.73, 122,703.84 and 22,631.45

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Solution

The fourth proportional to 81,800.73, 122,703.84 and 22,631.45 is: 33,947.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,800.73 : 122,703.84 = 22,631.45 : x
  2. Step 2: Convert to fraction form
    81,800.73/122,703.84 = 22,631.45/x
  3. Step 3: Cross multiply
    81,800.73x = 122,703.84 × 22,631.45
  4. Step 4: Simplify right side
    81,800.73x = 2,776,965,819.77
  5. Step 5: Solve for x
    x = 2,776,965,819.77/81,800.73
  6. Step 6: Final answer
    x = 33,947.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.