Home / 92,571.12-138,827.94-33,399.09

Finding the Fourth Proportional to 92,571.12, 138,827.94 and 33,399.09

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Solution

The fourth proportional to 92,571.12, 138,827.94 and 33,399.09 is: 50,088.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,571.12 : 138,827.94 = 33,399.09 : x
  2. Step 2: Convert to fraction form
    92,571.12/138,827.94 = 33,399.09/x
  3. Step 3: Cross multiply
    92,571.12x = 138,827.94 × 33,399.09
  4. Step 4: Simplify right side
    92,571.12x = 4,636,726,862.57
  5. Step 5: Solve for x
    x = 4,636,726,862.57/92,571.12
  6. Step 6: Final answer
    x = 50,088.27

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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.