Home / 89,027.97-133,449.68-55,671.48

Finding the Fourth Proportional to 89,027.97, 133,449.68 and 55,671.48

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Solution

The fourth proportional to 89,027.97, 133,449.68 and 55,671.48 is: 83,449.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,027.97 : 133,449.68 = 55,671.48 : x
  2. Step 2: Convert to fraction form
    89,027.97/133,449.68 = 55,671.48/x
  3. Step 3: Cross multiply
    89,027.97x = 133,449.68 × 55,671.48
  4. Step 4: Simplify right side
    89,027.97x = 7,429,340,912.77
  5. Step 5: Solve for x
    x = 7,429,340,912.77/89,027.97
  6. Step 6: Final answer
    x = 83,449.51

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1.5x scale

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.