Home / 89,073.36-122,923.44-48,788.82

Finding the Fourth Proportional to 89,073.36, 122,923.44 and 48,788.82

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Solution

The fourth proportional to 89,073.36, 122,923.44 and 48,788.82 is: 67,329.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,073.36 : 122,923.44 = 48,788.82 : x
  2. Step 2: Convert to fraction form
    89,073.36/122,923.44 = 48,788.82/x
  3. Step 3: Cross multiply
    89,073.36x = 122,923.44 × 48,788.82
  4. Step 4: Simplify right side
    89,073.36x = 5,997,289,587.94
  5. Step 5: Solve for x
    x = 5,997,289,587.94/89,073.36
  6. Step 6: Final answer
    x = 67,329.78

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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.