Home / 67,381.44-92,930.40-50,585.28

Finding the Fourth Proportional to 67,381.44, 92,930.40 and 50,585.28

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Solution

The fourth proportional to 67,381.44, 92,930.40 and 50,585.28 is: 69,765.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,381.44 : 92,930.40 = 50,585.28 : x
  2. Step 2: Convert to fraction form
    67,381.44/92,930.40 = 50,585.28/x
  3. Step 3: Cross multiply
    67,381.44x = 92,930.40 × 50,585.28
  4. Step 4: Simplify right side
    67,381.44x = 4,700,910,304.51
  5. Step 5: Solve for x
    x = 4,700,910,304.51/67,381.44
  6. Step 6: Final answer
    x = 69,765.66

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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.