Home / 89,855.36-124,027.20-52,146.56

Finding the Fourth Proportional to 89,855.36, 124,027.20 and 52,146.56

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Solution

The fourth proportional to 89,855.36, 124,027.20 and 52,146.56 is: 71,977.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,855.36 : 124,027.20 = 52,146.56 : x
  2. Step 2: Convert to fraction form
    89,855.36/124,027.20 = 52,146.56/x
  3. Step 3: Cross multiply
    89,855.36x = 124,027.20 × 52,146.56
  4. Step 4: Simplify right side
    89,855.36x = 6,467,591,826.43
  5. Step 5: Solve for x
    x = 6,467,591,826.43/89,855.36
  6. Step 6: Final answer
    x = 71,977.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.