Home / 57,861.47-86,159.90-55,733.27

Finding the Fourth Proportional to 57,861.47, 86,159.90 and 55,733.27

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Solution

The fourth proportional to 57,861.47, 86,159.90 and 55,733.27 is: 82,990.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,861.47 : 86,159.90 = 55,733.27 : x
  2. Step 2: Convert to fraction form
    57,861.47/86,159.90 = 55,733.27/x
  3. Step 3: Cross multiply
    57,861.47x = 86,159.90 × 55,733.27
  4. Step 4: Simplify right side
    57,861.47x = 4,801,972,678.41
  5. Step 5: Solve for x
    x = 4,801,972,678.41/57,861.47
  6. Step 6: Final answer
    x = 82,990.85

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.