Home / 57,191.05-85,884.99-54,730.68

Finding the Fourth Proportional to 57,191.05, 85,884.99 and 54,730.68

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Solution

The fourth proportional to 57,191.05, 85,884.99 and 54,730.68 is: 82,190.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,191.05 : 85,884.99 = 54,730.68 : x
  2. Step 2: Convert to fraction form
    57,191.05/85,884.99 = 54,730.68/x
  3. Step 3: Cross multiply
    57,191.05x = 85,884.99 × 54,730.68
  4. Step 4: Simplify right side
    57,191.05x = 4,700,543,904.49
  5. Step 5: Solve for x
    x = 4,700,543,904.49/57,191.05
  6. Step 6: Final answer
    x = 82,190.20

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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.