Home / 57,268.94-85,906.10-47,255.11

Finding the Fourth Proportional to 57,268.94, 85,906.10 and 47,255.11

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Solution

The fourth proportional to 57,268.94, 85,906.10 and 47,255.11 is: 70,884.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,268.94 : 85,906.10 = 47,255.11 : x
  2. Step 2: Convert to fraction form
    57,268.94/85,906.10 = 47,255.11/x
  3. Step 3: Cross multiply
    57,268.94x = 85,906.10 × 47,255.11
  4. Step 4: Simplify right side
    57,268.94x = 4,059,502,108.54
  5. Step 5: Solve for x
    x = 4,059,502,108.54/57,268.94
  6. Step 6: Final answer
    x = 70,884.89

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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.