Home / 57,914.07-86,815.62-18,445.61

Finding the Fourth Proportional to 57,914.07, 86,815.62 and 18,445.61

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Solution

The fourth proportional to 57,914.07, 86,815.62 and 18,445.61 is: 27,650.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,914.07 : 86,815.62 = 18,445.61 : x
  2. Step 2: Convert to fraction form
    57,914.07/86,815.62 = 18,445.61/x
  3. Step 3: Cross multiply
    57,914.07x = 86,815.62 × 18,445.61
  4. Step 4: Simplify right side
    57,914.07x = 1,601,366,634.35
  5. Step 5: Solve for x
    x = 1,601,366,634.35/57,914.07
  6. Step 6: Final answer
    x = 27,650.74

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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.