Home / 57,219.17-85,847.38-27,640.40

Finding the Fourth Proportional to 57,219.17, 85,847.38 and 27,640.40

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Solution

The fourth proportional to 57,219.17, 85,847.38 and 27,640.40 is: 41,469.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,219.17 : 85,847.38 = 27,640.40 : x
  2. Step 2: Convert to fraction form
    57,219.17/85,847.38 = 27,640.40/x
  3. Step 3: Cross multiply
    57,219.17x = 85,847.38 × 27,640.40
  4. Step 4: Simplify right side
    57,219.17x = 2,372,855,423.81
  5. Step 5: Solve for x
    x = 2,372,855,423.81/57,219.17
  6. Step 6: Final answer
    x = 41,469.59

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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.