Home / 55,117.26-82,723.88-31,472.15

Finding the Fourth Proportional to 55,117.26, 82,723.88 and 31,472.15

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Solution

The fourth proportional to 55,117.26, 82,723.88 and 31,472.15 is: 47,235.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,117.26 : 82,723.88 = 31,472.15 : x
  2. Step 2: Convert to fraction form
    55,117.26/82,723.88 = 31,472.15/x
  3. Step 3: Cross multiply
    55,117.26x = 82,723.88 × 31,472.15
  4. Step 4: Simplify right side
    55,117.26x = 2,603,498,025.00
  5. Step 5: Solve for x
    x = 2,603,498,025.00/55,117.26
  6. Step 6: Final answer
    x = 47,235.62

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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.