Home / 107,732.08-161,606.76-28,845.64

Finding the Fourth Proportional to 107,732.08, 161,606.76 and 28,845.64

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Solution

The fourth proportional to 107,732.08, 161,606.76 and 28,845.64 is: 43,270.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,732.08 : 161,606.76 = 28,845.64 : x
  2. Step 2: Convert to fraction form
    107,732.08/161,606.76 = 28,845.64/x
  3. Step 3: Cross multiply
    107,732.08x = 161,606.76 × 28,845.64
  4. Step 4: Simplify right side
    107,732.08x = 4,661,650,420.53
  5. Step 5: Solve for x
    x = 4,661,650,420.53/107,732.08
  6. Step 6: Final answer
    x = 43,270.77

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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.