Home / 57,178.41-85,775.91-17,738.70

Finding the Fourth Proportional to 57,178.41, 85,775.91 and 17,738.70

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Solution

The fourth proportional to 57,178.41, 85,775.91 and 17,738.70 is: 26,610.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,178.41 : 85,775.91 = 17,738.70 : x
  2. Step 2: Convert to fraction form
    57,178.41/85,775.91 = 17,738.70/x
  3. Step 3: Cross multiply
    57,178.41x = 85,775.91 × 17,738.70
  4. Step 4: Simplify right side
    57,178.41x = 1,521,553,134.72
  5. Step 5: Solve for x
    x = 1,521,553,134.72/57,178.41
  6. Step 6: Final answer
    x = 26,610.62

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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.