Home / 82,263.88-123,208.57-64,383.04

Finding the Fourth Proportional to 82,263.88, 123,208.57 and 64,383.04

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Solution

The fourth proportional to 82,263.88, 123,208.57 and 64,383.04 is: 96,428.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,263.88 : 123,208.57 = 64,383.04 : x
  2. Step 2: Convert to fraction form
    82,263.88/123,208.57 = 64,383.04/x
  3. Step 3: Cross multiply
    82,263.88x = 123,208.57 × 64,383.04
  4. Step 4: Simplify right side
    82,263.88x = 7,932,542,290.65
  5. Step 5: Solve for x
    x = 7,932,542,290.65/82,263.88
  6. Step 6: Final answer
    x = 96,428.01

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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.