Home / 57,828.72-79,772.85-35,174.64

Finding the Fourth Proportional to 57,828.72, 79,772.85 and 35,174.64

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Solution

The fourth proportional to 57,828.72, 79,772.85 and 35,174.64 is: 48,522.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,828.72 : 79,772.85 = 35,174.64 : x
  2. Step 2: Convert to fraction form
    57,828.72/79,772.85 = 35,174.64/x
  3. Step 3: Cross multiply
    57,828.72x = 79,772.85 × 35,174.64
  4. Step 4: Simplify right side
    57,828.72x = 2,805,981,280.52
  5. Step 5: Solve for x
    x = 2,805,981,280.52/57,828.72
  6. Step 6: Final answer
    x = 48,522.28

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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.