Home / 107,481.30-161,221.74-28,595.52

Finding the Fourth Proportional to 107,481.30, 161,221.74 and 28,595.52

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Solution

The fourth proportional to 107,481.30, 161,221.74 and 28,595.52 is: 42,893.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,481.30 : 161,221.74 = 28,595.52 : x
  2. Step 2: Convert to fraction form
    107,481.30/161,221.74 = 28,595.52/x
  3. Step 3: Cross multiply
    107,481.30x = 161,221.74 × 28,595.52
  4. Step 4: Simplify right side
    107,481.30x = 4,610,219,490.60
  5. Step 5: Solve for x
    x = 4,610,219,490.60/107,481.30
  6. Step 6: Final answer
    x = 42,893.22

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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.