Home / 57,546.52-86,319.80-18,107.64

Finding the Fourth Proportional to 57,546.52, 86,319.80 and 18,107.64

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Solution

The fourth proportional to 57,546.52, 86,319.80 and 18,107.64 is: 27,161.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,546.52 : 86,319.80 = 18,107.64 : x
  2. Step 2: Convert to fraction form
    57,546.52/86,319.80 = 18,107.64/x
  3. Step 3: Cross multiply
    57,546.52x = 86,319.80 × 18,107.64
  4. Step 4: Simplify right side
    57,546.52x = 1,563,047,863.27
  5. Step 5: Solve for x
    x = 1,563,047,863.27/57,546.52
  6. Step 6: Final answer
    x = 27,161.47

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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.