Home / 57,709.13-86,570.57-17,722.83

Finding the Fourth Proportional to 57,709.13, 86,570.57 and 17,722.83

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Solution

The fourth proportional to 57,709.13, 86,570.57 and 17,722.83 is: 26,586.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,709.13 : 86,570.57 = 17,722.83 : x
  2. Step 2: Convert to fraction form
    57,709.13/86,570.57 = 17,722.83/x
  3. Step 3: Cross multiply
    57,709.13x = 86,570.57 × 17,722.83
  4. Step 4: Simplify right side
    57,709.13x = 1,534,275,864.06
  5. Step 5: Solve for x
    x = 1,534,275,864.06/57,709.13
  6. Step 6: Final answer
    x = 26,586.37

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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.