Home / 117,467.43-162,103.68-63,752.47

Finding the Fourth Proportional to 117,467.43, 162,103.68 and 63,752.47

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Solution

The fourth proportional to 117,467.43, 162,103.68 and 63,752.47 is: 87,977.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,467.43 : 162,103.68 = 63,752.47 : x
  2. Step 2: Convert to fraction form
    117,467.43/162,103.68 = 63,752.47/x
  3. Step 3: Cross multiply
    117,467.43x = 162,103.68 × 63,752.47
  4. Step 4: Simplify right side
    117,467.43x = 10,334,509,996.09
  5. Step 5: Solve for x
    x = 10,334,509,996.09/117,467.43
  6. Step 6: Final answer
    x = 87,977.66

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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.