Home / 73,520.40-110,233.24-31,427.96

Finding the Fourth Proportional to 73,520.40, 110,233.24 and 31,427.96

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Solution

The fourth proportional to 73,520.40, 110,233.24 and 31,427.96 is: 47,121.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,520.40 : 110,233.24 = 31,427.96 : x
  2. Step 2: Convert to fraction form
    73,520.40/110,233.24 = 31,427.96/x
  3. Step 3: Cross multiply
    73,520.40x = 110,233.24 × 31,427.96
  4. Step 4: Simplify right side
    73,520.40x = 3,464,405,857.39
  5. Step 5: Solve for x
    x = 3,464,405,857.39/73,520.40
  6. Step 6: Final answer
    x = 47,121.69

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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.