Home / 107,677.08-161,505.72-28,788.48

Finding the Fourth Proportional to 107,677.08, 161,505.72 and 28,788.48

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Solution

The fourth proportional to 107,677.08, 161,505.72 and 28,788.48 is: 43,180.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,677.08 : 161,505.72 = 28,788.48 : x
  2. Step 2: Convert to fraction form
    107,677.08/161,505.72 = 28,788.48/x
  3. Step 3: Cross multiply
    107,677.08x = 161,505.72 × 28,788.48
  4. Step 4: Simplify right side
    107,677.08x = 4,649,504,190.11
  5. Step 5: Solve for x
    x = 4,649,504,190.11/107,677.08
  6. Step 6: Final answer
    x = 43,180.07

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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.