Home / 82,429.14-123,642.36-26,268.48

Finding the Fourth Proportional to 82,429.14, 123,642.36 and 26,268.48

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Solution

The fourth proportional to 82,429.14, 123,642.36 and 26,268.48 is: 39,402.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,429.14 : 123,642.36 = 26,268.48 : x
  2. Step 2: Convert to fraction form
    82,429.14/123,642.36 = 26,268.48/x
  3. Step 3: Cross multiply
    82,429.14x = 123,642.36 × 26,268.48
  4. Step 4: Simplify right side
    82,429.14x = 3,247,896,860.81
  5. Step 5: Solve for x
    x = 3,247,896,860.81/82,429.14
  6. Step 6: Final answer
    x = 39,402.29

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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.