Home / 89,367.45-123,327.81-49,081.70

Finding the Fourth Proportional to 89,367.45, 123,327.81 and 49,081.70

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Solution

The fourth proportional to 89,367.45, 123,327.81 and 49,081.70 is: 67,733.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,367.45 : 123,327.81 = 49,081.70 : x
  2. Step 2: Convert to fraction form
    89,367.45/123,327.81 = 49,081.70/x
  3. Step 3: Cross multiply
    89,367.45x = 123,327.81 × 49,081.70
  4. Step 4: Simplify right side
    89,367.45x = 6,053,137,955.44
  5. Step 5: Solve for x
    x = 6,053,137,955.44/89,367.45
  6. Step 6: Final answer
    x = 67,733.14

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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.