Home / 73,252.36-109,856.52-31,131.96

Finding the Fourth Proportional to 73,252.36, 109,856.52 and 31,131.96

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Solution

The fourth proportional to 73,252.36, 109,856.52 and 31,131.96 is: 46,688.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,252.36 : 109,856.52 = 31,131.96 : x
  2. Step 2: Convert to fraction form
    73,252.36/109,856.52 = 31,131.96/x
  3. Step 3: Cross multiply
    73,252.36x = 109,856.52 × 31,131.96
  4. Step 4: Simplify right side
    73,252.36x = 3,420,048,786.38
  5. Step 5: Solve for x
    x = 3,420,048,786.38/73,252.36
  6. Step 6: Final answer
    x = 46,688.58

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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.