Home / 50,760.06-76,140-25,817.28

Finding the Fourth Proportional to 50,760.06, 76,140 and 25,817.28

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Solution

The fourth proportional to 50,760.06, 76,140 and 25,817.28 is: 38,725.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,760.06 : 76,140 = 25,817.28 : x
  2. Step 2: Convert to fraction form
    50,760.06/76,140 = 25,817.28/x
  3. Step 3: Cross multiply
    50,760.06x = 76,140 × 25,817.28
  4. Step 4: Simplify right side
    50,760.06x = 1,965,727,699.20
  5. Step 5: Solve for x
    x = 1,965,727,699.20/50,760.06
  6. Step 6: Final answer
    x = 38,725.87

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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.