Home / 57,678.08-86,360.78-29,917.76

Finding the Fourth Proportional to 57,678.08, 86,360.78 and 29,917.76

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Solution

The fourth proportional to 57,678.08, 86,360.78 and 29,917.76 is: 44,795.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,678.08 : 86,360.78 = 29,917.76 : x
  2. Step 2: Convert to fraction form
    57,678.08/86,360.78 = 29,917.76/x
  3. Step 3: Cross multiply
    57,678.08x = 86,360.78 × 29,917.76
  4. Step 4: Simplify right side
    57,678.08x = 2,583,720,732.44
  5. Step 5: Solve for x
    x = 2,583,720,732.44/57,678.08
  6. Step 6: Final answer
    x = 44,795.54

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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.