Home / 49,572.72-68,406.12-28,348.56

Finding the Fourth Proportional to 49,572.72, 68,406.12 and 28,348.56

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Solution

The fourth proportional to 49,572.72, 68,406.12 and 28,348.56 is: 39,118.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,572.72 : 68,406.12 = 28,348.56 : x
  2. Step 2: Convert to fraction form
    49,572.72/68,406.12 = 28,348.56/x
  3. Step 3: Cross multiply
    49,572.72x = 68,406.12 × 28,348.56
  4. Step 4: Simplify right side
    49,572.72x = 1,939,214,997.19
  5. Step 5: Solve for x
    x = 1,939,214,997.19/49,572.72
  6. Step 6: Final answer
    x = 39,118.59

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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.