Home / 107,770.59-161,657.91-28,884.15

Finding the Fourth Proportional to 107,770.59, 161,657.91 and 28,884.15

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Solution

The fourth proportional to 107,770.59, 161,657.91 and 28,884.15 is: 43,326.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,770.59 : 161,657.91 = 28,884.15 : x
  2. Step 2: Convert to fraction form
    107,770.59/161,657.91 = 28,884.15/x
  3. Step 3: Cross multiply
    107,770.59x = 161,657.91 × 28,884.15
  4. Step 4: Simplify right side
    107,770.59x = 4,669,351,321.13
  5. Step 5: Solve for x
    x = 4,669,351,321.13/107,770.59
  6. Step 6: Final answer
    x = 43,326.77

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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.