Home / 45,496.12-62,760.66-31,324.36

Finding the Fourth Proportional to 45,496.12, 62,760.66 and 31,324.36

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Solution

The fourth proportional to 45,496.12, 62,760.66 and 31,324.36 is: 43,211.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,496.12 : 62,760.66 = 31,324.36 : x
  2. Step 2: Convert to fraction form
    45,496.12/62,760.66 = 31,324.36/x
  3. Step 3: Cross multiply
    45,496.12x = 62,760.66 × 31,324.36
  4. Step 4: Simplify right side
    45,496.12x = 1,965,937,507.68
  5. Step 5: Solve for x
    x = 1,965,937,507.68/45,496.12
  6. Step 6: Final answer
    x = 43,211.10

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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.