Home / 89,027.88-133,449.53-55,671.37

Finding the Fourth Proportional to 89,027.88, 133,449.53 and 55,671.37

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Solution

The fourth proportional to 89,027.88, 133,449.53 and 55,671.37 is: 83,449.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,027.88 : 133,449.53 = 55,671.37 : x
  2. Step 2: Convert to fraction form
    89,027.88/133,449.53 = 55,671.37/x
  3. Step 3: Cross multiply
    89,027.88x = 133,449.53 × 55,671.37
  4. Step 4: Simplify right side
    89,027.88x = 7,429,318,160.96
  5. Step 5: Solve for x
    x = 7,429,318,160.96/89,027.88
  6. Step 6: Final answer
    x = 83,449.34

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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.