Home / 89,984.20-124,179.38-49,697.84

Finding the Fourth Proportional to 89,984.20, 124,179.38 and 49,697.84

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Solution

The fourth proportional to 89,984.20, 124,179.38 and 49,697.84 is: 68,583.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,984.20 : 124,179.38 = 49,697.84 : x
  2. Step 2: Convert to fraction form
    89,984.20/124,179.38 = 49,697.84/x
  3. Step 3: Cross multiply
    89,984.20x = 124,179.38 × 49,697.84
  4. Step 4: Simplify right side
    89,984.20x = 6,171,446,958.54
  5. Step 5: Solve for x
    x = 6,171,446,958.54/89,984.20
  6. Step 6: Final answer
    x = 68,583.67

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1.5x scale

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.