Home / 57,013.28-85,533.83-40,179.12

Finding the Fourth Proportional to 57,013.28, 85,533.83 and 40,179.12

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Solution

The fourth proportional to 57,013.28, 85,533.83 and 40,179.12 is: 60,278.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,013.28 : 85,533.83 = 40,179.12 : x
  2. Step 2: Convert to fraction form
    57,013.28/85,533.83 = 40,179.12/x
  3. Step 3: Cross multiply
    57,013.28x = 85,533.83 × 40,179.12
  4. Step 4: Simplify right side
    57,013.28x = 3,436,674,120.08
  5. Step 5: Solve for x
    x = 3,436,674,120.08/57,013.28
  6. Step 6: Final answer
    x = 60,278.49

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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.