Home / 73,581.36-110,344.20-31,459.68

Finding the Fourth Proportional to 73,581.36, 110,344.20 and 31,459.68

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Solution

The fourth proportional to 73,581.36, 110,344.20 and 31,459.68 is: 47,177.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,581.36 : 110,344.20 = 31,459.68 : x
  2. Step 2: Convert to fraction form
    73,581.36/110,344.20 = 31,459.68/x
  3. Step 3: Cross multiply
    73,581.36x = 110,344.20 × 31,459.68
  4. Step 4: Simplify right side
    73,581.36x = 3,471,393,221.86
  5. Step 5: Solve for x
    x = 3,471,393,221.86/73,581.36
  6. Step 6: Final answer
    x = 47,177.62

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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.