Home / 117,418.25-162,037.67-63,703.66

Finding the Fourth Proportional to 117,418.25, 162,037.67 and 63,703.66

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Solution

The fourth proportional to 117,418.25, 162,037.67 and 63,703.66 is: 87,911.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,418.25 : 162,037.67 = 63,703.66 : x
  2. Step 2: Convert to fraction form
    117,418.25/162,037.67 = 63,703.66/x
  3. Step 3: Cross multiply
    117,418.25x = 162,037.67 × 63,703.66
  4. Step 4: Simplify right side
    117,418.25x = 10,322,392,636.87
  5. Step 5: Solve for x
    x = 10,322,392,636.87/117,418.25
  6. Step 6: Final answer
    x = 87,911.31

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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.