Home / 45,537.83-62,871.48-31,221.48

Finding the Fourth Proportional to 45,537.83, 62,871.48 and 31,221.48

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Solution

The fourth proportional to 45,537.83, 62,871.48 and 31,221.48 is: 43,105.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,537.83 : 62,871.48 = 31,221.48 : x
  2. Step 2: Convert to fraction form
    45,537.83/62,871.48 = 31,221.48/x
  3. Step 3: Cross multiply
    45,537.83x = 62,871.48 × 31,221.48
  4. Step 4: Simplify right side
    45,537.83x = 1,962,940,655.39
  5. Step 5: Solve for x
    x = 1,962,940,655.39/45,537.83
  6. Step 6: Final answer
    x = 43,105.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.