Home / 117,742.73-176,620.20-38,863.10

Finding the Fourth Proportional to 117,742.73, 176,620.20 and 38,863.10

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Solution

The fourth proportional to 117,742.73, 176,620.20 and 38,863.10 is: 58,296.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,742.73 : 176,620.20 = 38,863.10 : x
  2. Step 2: Convert to fraction form
    117,742.73/176,620.20 = 38,863.10/x
  3. Step 3: Cross multiply
    117,742.73x = 176,620.20 × 38,863.10
  4. Step 4: Simplify right side
    117,742.73x = 6,864,008,494.62
  5. Step 5: Solve for x
    x = 6,864,008,494.62/117,742.73
  6. Step 6: Final answer
    x = 58,296.67

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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.