Home / 82,451.12-123,667.97-55,967.36

Finding the Fourth Proportional to 82,451.12, 123,667.97 and 55,967.36

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Solution

The fourth proportional to 82,451.12, 123,667.97 and 55,967.36 is: 83,945.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,451.12 : 123,667.97 = 55,967.36 : x
  2. Step 2: Convert to fraction form
    82,451.12/123,667.97 = 55,967.36/x
  3. Step 3: Cross multiply
    82,451.12x = 123,667.97 × 55,967.36
  4. Step 4: Simplify right side
    82,451.12x = 6,921,368,899.28
  5. Step 5: Solve for x
    x = 6,921,368,899.28/82,451.12
  6. Step 6: Final answer
    x = 83,945.12

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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.