Home / 89,228.20-123,145.32-50,994

Finding the Fourth Proportional to 89,228.20, 123,145.32 and 50,994

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Solution

The fourth proportional to 89,228.20, 123,145.32 and 50,994 is: 70,377.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,228.20 : 123,145.32 = 50,994 : x
  2. Step 2: Convert to fraction form
    89,228.20/123,145.32 = 50,994/x
  3. Step 3: Cross multiply
    89,228.20x = 123,145.32 × 50,994
  4. Step 4: Simplify right side
    89,228.20x = 6,279,672,448.08
  5. Step 5: Solve for x
    x = 6,279,672,448.08/89,228.20
  6. Step 6: Final answer
    x = 70,377.67

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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.