Home / 89,041.87-122,876.62-50,800.42

Finding the Fourth Proportional to 89,041.87, 122,876.62 and 50,800.42

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Solution

The fourth proportional to 89,041.87, 122,876.62 and 50,800.42 is: 70,103.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,041.87 : 122,876.62 = 50,800.42 : x
  2. Step 2: Convert to fraction form
    89,041.87/122,876.62 = 50,800.42/x
  3. Step 3: Cross multiply
    89,041.87x = 122,876.62 × 50,800.42
  4. Step 4: Simplify right side
    89,041.87x = 6,242,183,904.18
  5. Step 5: Solve for x
    x = 6,242,183,904.18/89,041.87
  6. Step 6: Final answer
    x = 70,103.92

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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.