Home / 92,933.88-128,251.26-50,495.28

Finding the Fourth Proportional to 92,933.88, 128,251.26 and 50,495.28

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Solution

The fourth proportional to 92,933.88, 128,251.26 and 50,495.28 is: 69,684.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,933.88 : 128,251.26 = 50,495.28 : x
  2. Step 2: Convert to fraction form
    92,933.88/128,251.26 = 50,495.28/x
  3. Step 3: Cross multiply
    92,933.88x = 128,251.26 × 50,495.28
  4. Step 4: Simplify right side
    92,933.88x = 6,476,083,284.05
  5. Step 5: Solve for x
    x = 6,476,083,284.05/92,933.88
  6. Step 6: Final answer
    x = 69,684.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.