Home / 57,587.66-86,389.78-18,147.94

Finding the Fourth Proportional to 57,587.66, 86,389.78 and 18,147.94

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Solution

The fourth proportional to 57,587.66, 86,389.78 and 18,147.94 is: 27,224.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,587.66 : 86,389.78 = 18,147.94 : x
  2. Step 2: Convert to fraction form
    57,587.66/86,389.78 = 18,147.94/x
  3. Step 3: Cross multiply
    57,587.66x = 86,389.78 × 18,147.94
  4. Step 4: Simplify right side
    57,587.66x = 1,567,796,544.05
  5. Step 5: Solve for x
    x = 1,567,796,544.05/57,587.66
  6. Step 6: Final answer
    x = 27,224.52

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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.