Home / 55,247.20-82,862.28-30,299.56

Finding the Fourth Proportional to 55,247.20, 82,862.28 and 30,299.56

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Solution

The fourth proportional to 55,247.20, 82,862.28 and 30,299.56 is: 45,444.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,247.20 : 82,862.28 = 30,299.56 : x
  2. Step 2: Convert to fraction form
    55,247.20/82,862.28 = 30,299.56/x
  3. Step 3: Cross multiply
    55,247.20x = 82,862.28 × 30,299.56
  4. Step 4: Simplify right side
    55,247.20x = 2,510,690,624.60
  5. Step 5: Solve for x
    x = 2,510,690,624.60/55,247.20
  6. Step 6: Final answer
    x = 45,444.67

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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.