Home / 108,531.86-162,788.40-33,650.33

Finding the Fourth Proportional to 108,531.86, 162,788.40 and 33,650.33

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Solution

The fourth proportional to 108,531.86, 162,788.40 and 33,650.33 is: 50,472.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,531.86 : 162,788.40 = 33,650.33 : x
  2. Step 2: Convert to fraction form
    108,531.86/162,788.40 = 33,650.33/x
  3. Step 3: Cross multiply
    108,531.86x = 162,788.40 × 33,650.33
  4. Step 4: Simplify right side
    108,531.86x = 5,477,882,566.23
  5. Step 5: Solve for x
    x = 5,477,882,566.23/108,531.86
  6. Step 6: Final answer
    x = 50,472.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.