Home / 107,941.60-161,909.97-29,056.78

Finding the Fourth Proportional to 107,941.60, 161,909.97 and 29,056.78

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Solution

The fourth proportional to 107,941.60, 161,909.97 and 29,056.78 is: 43,584.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,941.60 : 161,909.97 = 29,056.78 : x
  2. Step 2: Convert to fraction form
    107,941.60/161,909.97 = 29,056.78/x
  3. Step 3: Cross multiply
    107,941.60x = 161,909.97 × 29,056.78
  4. Step 4: Simplify right side
    107,941.60x = 4,704,582,378.10
  5. Step 5: Solve for x
    x = 4,704,582,378.10/107,941.60
  6. Step 6: Final answer
    x = 43,584.52

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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.