Home / 117,467.11-162,099.07-63,751.66

Finding the Fourth Proportional to 117,467.11, 162,099.07 and 63,751.66

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Solution

The fourth proportional to 117,467.11, 162,099.07 and 63,751.66 is: 87,974.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,467.11 : 162,099.07 = 63,751.66 : x
  2. Step 2: Convert to fraction form
    117,467.11/162,099.07 = 63,751.66/x
  3. Step 3: Cross multiply
    117,467.11x = 162,099.07 × 63,751.66
  4. Step 4: Simplify right side
    117,467.11x = 10,334,084,590.93
  5. Step 5: Solve for x
    x = 10,334,084,590.93/117,467.11
  6. Step 6: Final answer
    x = 87,974.28

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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.