Home / 57,516.12-86,274.24-18,076.68

Finding the Fourth Proportional to 57,516.12, 86,274.24 and 18,076.68

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Solution

The fourth proportional to 57,516.12, 86,274.24 and 18,076.68 is: 27,115.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,516.12 : 86,274.24 = 18,076.68 : x
  2. Step 2: Convert to fraction form
    57,516.12/86,274.24 = 18,076.68/x
  3. Step 3: Cross multiply
    57,516.12x = 86,274.24 × 18,076.68
  4. Step 4: Simplify right side
    57,516.12x = 1,559,551,828.72
  5. Step 5: Solve for x
    x = 1,559,551,828.72/57,516.12
  6. Step 6: Final answer
    x = 27,115.04

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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.