Home / 91,620.77-137,381.18-27,569.57

Finding the Fourth Proportional to 91,620.77, 137,381.18 and 27,569.57

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Solution

The fourth proportional to 91,620.77, 137,381.18 and 27,569.57 is: 41,339.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,620.77 : 137,381.18 = 27,569.57 : x
  2. Step 2: Convert to fraction form
    91,620.77/137,381.18 = 27,569.57/x
  3. Step 3: Cross multiply
    91,620.77x = 137,381.18 × 27,569.57
  4. Step 4: Simplify right side
    91,620.77x = 3,787,539,233.94
  5. Step 5: Solve for x
    x = 3,787,539,233.94/91,620.77
  6. Step 6: Final answer
    x = 41,339.31

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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.