Home / 107,725.87-161,606.32-31,832.11

Finding the Fourth Proportional to 107,725.87, 161,606.32 and 31,832.11

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Solution

The fourth proportional to 107,725.87, 161,606.32 and 31,832.11 is: 47,753.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,725.87 : 161,606.32 = 31,832.11 : x
  2. Step 2: Convert to fraction form
    107,725.87/161,606.32 = 31,832.11/x
  3. Step 3: Cross multiply
    107,725.87x = 161,606.32 × 31,832.11
  4. Step 4: Simplify right side
    107,725.87x = 5,144,269,671.34
  5. Step 5: Solve for x
    x = 5,144,269,671.34/107,725.87
  6. Step 6: Final answer
    x = 47,753.34

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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.