Home / 79,252.41-109,379.51-49,047.46

Finding the Fourth Proportional to 79,252.41, 109,379.51 and 49,047.46

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Solution

The fourth proportional to 79,252.41, 109,379.51 and 49,047.46 is: 67,692.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,252.41 : 109,379.51 = 49,047.46 : x
  2. Step 2: Convert to fraction form
    79,252.41/109,379.51 = 49,047.46/x
  3. Step 3: Cross multiply
    79,252.41x = 109,379.51 × 49,047.46
  4. Step 4: Simplify right side
    79,252.41x = 5,364,787,141.54
  5. Step 5: Solve for x
    x = 5,364,787,141.54/79,252.41
  6. Step 6: Final answer
    x = 67,692.42

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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.