Home / 57,712.10-86,557.22-20,263.37

Finding the Fourth Proportional to 57,712.10, 86,557.22 and 20,263.37

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Solution

The fourth proportional to 57,712.10, 86,557.22 and 20,263.37 is: 30,391.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,712.10 : 86,557.22 = 20,263.37 : x
  2. Step 2: Convert to fraction form
    57,712.10/86,557.22 = 20,263.37/x
  3. Step 3: Cross multiply
    57,712.10x = 86,557.22 × 20,263.37
  4. Step 4: Simplify right side
    57,712.10x = 1,753,940,873.71
  5. Step 5: Solve for x
    x = 1,753,940,873.71/57,712.10
  6. Step 6: Final answer
    x = 30,391.22

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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.