Home / 107,912.15-161,883.01-36,815.72

Finding the Fourth Proportional to 107,912.15, 161,883.01 and 36,815.72

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Solution

The fourth proportional to 107,912.15, 161,883.01 and 36,815.72 is: 55,228.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,912.15 : 161,883.01 = 36,815.72 : x
  2. Step 2: Convert to fraction form
    107,912.15/161,883.01 = 36,815.72/x
  3. Step 3: Cross multiply
    107,912.15x = 161,883.01 × 36,815.72
  4. Step 4: Simplify right side
    107,912.15x = 5,959,838,598.43
  5. Step 5: Solve for x
    x = 5,959,838,598.43/107,912.15
  6. Step 6: Final answer
    x = 55,228.62

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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.