Home / 57,138.91-78,825.52-37,002.27

Finding the Fourth Proportional to 57,138.91, 78,825.52 and 37,002.27

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Solution

The fourth proportional to 57,138.91, 78,825.52 and 37,002.27 is: 51,046.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,138.91 : 78,825.52 = 37,002.27 : x
  2. Step 2: Convert to fraction form
    57,138.91/78,825.52 = 37,002.27/x
  3. Step 3: Cross multiply
    57,138.91x = 78,825.52 × 37,002.27
  4. Step 4: Simplify right side
    57,138.91x = 2,916,723,173.93
  5. Step 5: Solve for x
    x = 2,916,723,173.93/57,138.91
  6. Step 6: Final answer
    x = 51,046.18

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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.