Home / 117,744.26-162,488.16-64,029.78

Finding the Fourth Proportional to 117,744.26, 162,488.16 and 64,029.78

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Solution

The fourth proportional to 117,744.26, 162,488.16 and 64,029.78 is: 88,361.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,744.26 : 162,488.16 = 64,029.78 : x
  2. Step 2: Convert to fraction form
    117,744.26/162,488.16 = 64,029.78/x
  3. Step 3: Cross multiply
    117,744.26x = 162,488.16 × 64,029.78
  4. Step 4: Simplify right side
    117,744.26x = 10,404,081,137.40
  5. Step 5: Solve for x
    x = 10,404,081,137.40/117,744.26
  6. Step 6: Final answer
    x = 88,361.69

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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.