Home / 57,748.88-86,622.32-18,305.92

Finding the Fourth Proportional to 57,748.88, 86,622.32 and 18,305.92

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Solution

The fourth proportional to 57,748.88, 86,622.32 and 18,305.92 is: 27,458.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,748.88 : 86,622.32 = 18,305.92 : x
  2. Step 2: Convert to fraction form
    57,748.88/86,622.32 = 18,305.92/x
  3. Step 3: Cross multiply
    57,748.88x = 86,622.32 × 18,305.92
  4. Step 4: Simplify right side
    57,748.88x = 1,585,701,260.13
  5. Step 5: Solve for x
    x = 1,585,701,260.13/57,748.88
  6. Step 6: Final answer
    x = 27,458.56

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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.