Home / 57,786.60-86,680.23-17,805.06

Finding the Fourth Proportional to 57,786.60, 86,680.23 and 17,805.06

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Solution

The fourth proportional to 57,786.60, 86,680.23 and 17,805.06 is: 26,707.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,786.60 : 86,680.23 = 17,805.06 : x
  2. Step 2: Convert to fraction form
    57,786.60/86,680.23 = 17,805.06/x
  3. Step 3: Cross multiply
    57,786.60x = 86,680.23 × 17,805.06
  4. Step 4: Simplify right side
    57,786.60x = 1,543,346,695.96
  5. Step 5: Solve for x
    x = 1,543,346,695.96/57,786.60
  6. Step 6: Final answer
    x = 26,707.69

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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.