Home / 57,721.60-86,579.16-15,601.06

Finding the Fourth Proportional to 57,721.60, 86,579.16 and 15,601.06

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Solution

The fourth proportional to 57,721.60, 86,579.16 and 15,601.06 is: 23,400.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,721.60 : 86,579.16 = 15,601.06 : x
  2. Step 2: Convert to fraction form
    57,721.60/86,579.16 = 15,601.06/x
  3. Step 3: Cross multiply
    57,721.60x = 86,579.16 × 15,601.06
  4. Step 4: Simplify right side
    57,721.60x = 1,350,726,669.91
  5. Step 5: Solve for x
    x = 1,350,726,669.91/57,721.60
  6. Step 6: Final answer
    x = 23,400.71

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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.