Home / 57,709.60-86,576.94-17,728.72

Finding the Fourth Proportional to 57,709.60, 86,576.94 and 17,728.72

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Solution

The fourth proportional to 57,709.60, 86,576.94 and 17,728.72 is: 26,596.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,709.60 : 86,576.94 = 17,728.72 : x
  2. Step 2: Convert to fraction form
    57,709.60/86,576.94 = 17,728.72/x
  3. Step 3: Cross multiply
    57,709.60x = 86,576.94 × 17,728.72
  4. Step 4: Simplify right side
    57,709.60x = 1,534,898,327.72
  5. Step 5: Solve for x
    x = 1,534,898,327.72/57,709.60
  6. Step 6: Final answer
    x = 26,596.93

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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.