Home / 57,179.48-85,723.40-27,178.66

Finding the Fourth Proportional to 57,179.48, 85,723.40 and 27,178.66

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Solution

The fourth proportional to 57,179.48, 85,723.40 and 27,178.66 is: 40,746.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,179.48 : 85,723.40 = 27,178.66 : x
  2. Step 2: Convert to fraction form
    57,179.48/85,723.40 = 27,178.66/x
  3. Step 3: Cross multiply
    57,179.48x = 85,723.40 × 27,178.66
  4. Step 4: Simplify right side
    57,179.48x = 2,329,847,142.64
  5. Step 5: Solve for x
    x = 2,329,847,142.64/57,179.48
  6. Step 6: Final answer
    x = 40,746.21

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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.