Home / 107,912.28-161,941.14-37,792.20

Finding the Fourth Proportional to 107,912.28, 161,941.14 and 37,792.20

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Solution

The fourth proportional to 107,912.28, 161,941.14 and 37,792.20 is: 56,713.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,912.28 : 161,941.14 = 37,792.20 : x
  2. Step 2: Convert to fraction form
    107,912.28/161,941.14 = 37,792.20/x
  3. Step 3: Cross multiply
    107,912.28x = 161,941.14 × 37,792.20
  4. Step 4: Simplify right side
    107,912.28x = 6,120,111,951.11
  5. Step 5: Solve for x
    x = 6,120,111,951.11/107,912.28
  6. Step 6: Final answer
    x = 56,713.77

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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.