Home / 73,241.28-109,835.92-31,665.60

Finding the Fourth Proportional to 73,241.28, 109,835.92 and 31,665.60

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Solution

The fourth proportional to 73,241.28, 109,835.92 and 31,665.60 is: 47,487.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,241.28 : 109,835.92 = 31,665.60 : x
  2. Step 2: Convert to fraction form
    73,241.28/109,835.92 = 31,665.60/x
  3. Step 3: Cross multiply
    73,241.28x = 109,835.92 × 31,665.60
  4. Step 4: Simplify right side
    73,241.28x = 3,478,020,308.35
  5. Step 5: Solve for x
    x = 3,478,020,308.35/73,241.28
  6. Step 6: Final answer
    x = 47,487.16

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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.