Home / 117,788.07-162,542.78-64,073.15

Finding the Fourth Proportional to 117,788.07, 162,542.78 and 64,073.15

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Solution

The fourth proportional to 117,788.07, 162,542.78 and 64,073.15 is: 88,418.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,788.07 : 162,542.78 = 64,073.15 : x
  2. Step 2: Convert to fraction form
    117,788.07/162,542.78 = 64,073.15/x
  3. Step 3: Cross multiply
    117,788.07x = 162,542.78 × 64,073.15
  4. Step 4: Simplify right side
    117,788.07x = 10,414,627,918.03
  5. Step 5: Solve for x
    x = 10,414,627,918.03/117,788.07
  6. Step 6: Final answer
    x = 88,418.36

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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.