Home / 117,858.86-162,645.22-64,144.26

Finding the Fourth Proportional to 117,858.86, 162,645.22 and 64,144.26

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Solution

The fourth proportional to 117,858.86, 162,645.22 and 64,144.26 is: 88,519.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,858.86 : 162,645.22 = 64,144.26 : x
  2. Step 2: Convert to fraction form
    117,858.86/162,645.22 = 64,144.26/x
  3. Step 3: Cross multiply
    117,858.86x = 162,645.22 × 64,144.26
  4. Step 4: Simplify right side
    117,858.86x = 10,432,757,359.62
  5. Step 5: Solve for x
    x = 10,432,757,359.62/117,858.86
  6. Step 6: Final answer
    x = 88,519.08

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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.