Home / 89,027.72-133,569.78-39,149.96

Finding the Fourth Proportional to 89,027.72, 133,569.78 and 39,149.96

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Solution

The fourth proportional to 89,027.72, 133,569.78 and 39,149.96 is: 58,737.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,027.72 : 133,569.78 = 39,149.96 : x
  2. Step 2: Convert to fraction form
    89,027.72/133,569.78 = 39,149.96/x
  3. Step 3: Cross multiply
    89,027.72x = 133,569.78 × 39,149.96
  4. Step 4: Simplify right side
    89,027.72x = 5,229,251,544.21
  5. Step 5: Solve for x
    x = 5,229,251,544.21/89,027.72
  6. Step 6: Final answer
    x = 58,737.34

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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.