Home / 74,380.32-111,560.64-27,626.88

Finding the Fourth Proportional to 74,380.32, 111,560.64 and 27,626.88

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Solution

The fourth proportional to 74,380.32, 111,560.64 and 27,626.88 is: 41,436.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,380.32 : 111,560.64 = 27,626.88 : x
  2. Step 2: Convert to fraction form
    74,380.32/111,560.64 = 27,626.88/x
  3. Step 3: Cross multiply
    74,380.32x = 111,560.64 × 27,626.88
  4. Step 4: Simplify right side
    74,380.32x = 3,082,072,414.00
  5. Step 5: Solve for x
    x = 3,082,072,414.00/74,380.32
  6. Step 6: Final answer
    x = 41,436.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.