Home / 57,890.89-86,680.20-37,850.68

Finding the Fourth Proportional to 57,890.89, 86,680.20 and 37,850.68

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Solution

The fourth proportional to 57,890.89, 86,680.20 and 37,850.68 is: 56,673.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,890.89 : 86,680.20 = 37,850.68 : x
  2. Step 2: Convert to fraction form
    57,890.89/86,680.20 = 37,850.68/x
  3. Step 3: Cross multiply
    57,890.89x = 86,680.20 × 37,850.68
  4. Step 4: Simplify right side
    57,890.89x = 3,280,904,512.54
  5. Step 5: Solve for x
    x = 3,280,904,512.54/57,890.89
  6. Step 6: Final answer
    x = 56,673.93

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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.