Home / 80,753.96-121,112.42-23,813.19

Finding the Fourth Proportional to 80,753.96, 121,112.42 and 23,813.19

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Solution

The fourth proportional to 80,753.96, 121,112.42 and 23,813.19 is: 35,714.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,753.96 : 121,112.42 = 23,813.19 : x
  2. Step 2: Convert to fraction form
    80,753.96/121,112.42 = 23,813.19/x
  3. Step 3: Cross multiply
    80,753.96x = 121,112.42 × 23,813.19
  4. Step 4: Simplify right side
    80,753.96x = 2,884,072,949.75
  5. Step 5: Solve for x
    x = 2,884,072,949.75/80,753.96
  6. Step 6: Final answer
    x = 35,714.32

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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.