Home / 57,587.18-86,392.91-18,147.06

Finding the Fourth Proportional to 57,587.18, 86,392.91 and 18,147.06

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Solution

The fourth proportional to 57,587.18, 86,392.91 and 18,147.06 is: 27,224.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,587.18 : 86,392.91 = 18,147.06 : x
  2. Step 2: Convert to fraction form
    57,587.18/86,392.91 = 18,147.06/x
  3. Step 3: Cross multiply
    57,587.18x = 86,392.91 × 18,147.06
  4. Step 4: Simplify right side
    57,587.18x = 1,567,777,366.71
  5. Step 5: Solve for x
    x = 1,567,777,366.71/57,587.18
  6. Step 6: Final answer
    x = 27,224.42

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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.