Home / 55,026.36-82,471.50-31,353.75

Finding the Fourth Proportional to 55,026.36, 82,471.50 and 31,353.75

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Solution

The fourth proportional to 55,026.36, 82,471.50 and 31,353.75 is: 46,991.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,026.36 : 82,471.50 = 31,353.75 : x
  2. Step 2: Convert to fraction form
    55,026.36/82,471.50 = 31,353.75/x
  3. Step 3: Cross multiply
    55,026.36x = 82,471.50 × 31,353.75
  4. Step 4: Simplify right side
    55,026.36x = 2,585,790,793.13
  5. Step 5: Solve for x
    x = 2,585,790,793.13/55,026.36
  6. Step 6: Final answer
    x = 46,991.86

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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.