Home / 57,463.79-86,177.13-20,943.58

Finding the Fourth Proportional to 57,463.79, 86,177.13 and 20,943.58

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Solution

The fourth proportional to 57,463.79, 86,177.13 and 20,943.58 is: 31,408.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,463.79 : 86,177.13 = 20,943.58 : x
  2. Step 2: Convert to fraction form
    57,463.79/86,177.13 = 20,943.58/x
  3. Step 3: Cross multiply
    57,463.79x = 86,177.13 × 20,943.58
  4. Step 4: Simplify right side
    57,463.79x = 1,804,857,616.33
  5. Step 5: Solve for x
    x = 1,804,857,616.33/57,463.79
  6. Step 6: Final answer
    x = 31,408.61

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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.