Home / 117,730.62-162,467.38-64,015.67

Finding the Fourth Proportional to 117,730.62, 162,467.38 and 64,015.67

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Solution

The fourth proportional to 117,730.62, 162,467.38 and 64,015.67 is: 88,341.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,730.62 : 162,467.38 = 64,015.67 : x
  2. Step 2: Convert to fraction form
    117,730.62/162,467.38 = 64,015.67/x
  3. Step 3: Cross multiply
    117,730.62x = 162,467.38 × 64,015.67
  4. Step 4: Simplify right side
    117,730.62x = 10,400,458,183.84
  5. Step 5: Solve for x
    x = 10,400,458,183.84/117,730.62
  6. Step 6: Final answer
    x = 88,341.15

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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.