Home / 56,176.70-84,262.19-20,635.29

Finding the Fourth Proportional to 56,176.70, 84,262.19 and 20,635.29

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Solution

The fourth proportional to 56,176.70, 84,262.19 and 20,635.29 is: 30,951.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,176.70 : 84,262.19 = 20,635.29 : x
  2. Step 2: Convert to fraction form
    56,176.70/84,262.19 = 20,635.29/x
  3. Step 3: Cross multiply
    56,176.70x = 84,262.19 × 20,635.29
  4. Step 4: Simplify right side
    56,176.70x = 1,738,775,008.01
  5. Step 5: Solve for x
    x = 1,738,775,008.01/56,176.70
  6. Step 6: Final answer
    x = 30,951.89

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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.