Home / 107,941.60-161,912.40-37,811.80

Finding the Fourth Proportional to 107,941.60, 161,912.40 and 37,811.80

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Solution

The fourth proportional to 107,941.60, 161,912.40 and 37,811.80 is: 56,717.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,941.60 : 161,912.40 = 37,811.80 : x
  2. Step 2: Convert to fraction form
    107,941.60/161,912.40 = 37,811.80/x
  3. Step 3: Cross multiply
    107,941.60x = 161,912.40 × 37,811.80
  4. Step 4: Simplify right side
    107,941.60x = 6,122,199,286.32
  5. Step 5: Solve for x
    x = 6,122,199,286.32/107,941.60
  6. Step 6: Final answer
    x = 56,717.70

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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.