Home / 89,006.12-122,831.82-50,771.89

Finding the Fourth Proportional to 89,006.12, 122,831.82 and 50,771.89

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Solution

The fourth proportional to 89,006.12, 122,831.82 and 50,771.89 is: 70,067.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,006.12 : 122,831.82 = 50,771.89 : x
  2. Step 2: Convert to fraction form
    89,006.12/122,831.82 = 50,771.89/x
  3. Step 3: Cross multiply
    89,006.12x = 122,831.82 × 50,771.89
  4. Step 4: Simplify right side
    89,006.12x = 6,236,403,346.46
  5. Step 5: Solve for x
    x = 6,236,403,346.46/89,006.12
  6. Step 6: Final answer
    x = 70,067.13

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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.