Home / 82,446.30-123,669.45-73,588.95

Finding the Fourth Proportional to 82,446.30, 123,669.45 and 73,588.95

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Solution

The fourth proportional to 82,446.30, 123,669.45 and 73,588.95 is: 110,383.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,446.30 : 123,669.45 = 73,588.95 : x
  2. Step 2: Convert to fraction form
    82,446.30/123,669.45 = 73,588.95/x
  3. Step 3: Cross multiply
    82,446.30x = 123,669.45 × 73,588.95
  4. Step 4: Simplify right side
    82,446.30x = 9,100,704,972.58
  5. Step 5: Solve for x
    x = 9,100,704,972.58/82,446.30
  6. Step 6: Final answer
    x = 110,383.43

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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.