Home / 57,107.07-85,660.61-17,664.53

Finding the Fourth Proportional to 57,107.07, 85,660.61 and 17,664.53

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Solution

The fourth proportional to 57,107.07, 85,660.61 and 17,664.53 is: 26,496.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,107.07 : 85,660.61 = 17,664.53 : x
  2. Step 2: Convert to fraction form
    57,107.07/85,660.61 = 17,664.53/x
  3. Step 3: Cross multiply
    57,107.07x = 85,660.61 × 17,664.53
  4. Step 4: Simplify right side
    57,107.07x = 1,513,153,898.54
  5. Step 5: Solve for x
    x = 1,513,153,898.54/57,107.07
  6. Step 6: Final answer
    x = 26,496.79

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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.