Home / 117,050.86-161,377.68-74,593.90

Finding the Fourth Proportional to 117,050.86, 161,377.68 and 74,593.90

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Solution

The fourth proportional to 117,050.86, 161,377.68 and 74,593.90 is: 102,842.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,050.86 : 161,377.68 = 74,593.90 : x
  2. Step 2: Convert to fraction form
    117,050.86/161,377.68 = 74,593.90/x
  3. Step 3: Cross multiply
    117,050.86x = 161,377.68 × 74,593.90
  4. Step 4: Simplify right side
    117,050.86x = 12,037,790,524.15
  5. Step 5: Solve for x
    x = 12,037,790,524.15/117,050.86
  6. Step 6: Final answer
    x = 102,842.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.