Home / 57,356.89-85,993.39-38,590.27

Finding the Fourth Proportional to 57,356.89, 85,993.39 and 38,590.27

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Solution

The fourth proportional to 57,356.89, 85,993.39 and 38,590.27 is: 57,857.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,356.89 : 85,993.39 = 38,590.27 : x
  2. Step 2: Convert to fraction form
    57,356.89/85,993.39 = 38,590.27/x
  3. Step 3: Cross multiply
    57,356.89x = 85,993.39 × 38,590.27
  4. Step 4: Simplify right side
    57,356.89x = 3,318,507,971.57
  5. Step 5: Solve for x
    x = 3,318,507,971.57/57,356.89
  6. Step 6: Final answer
    x = 57,857.18

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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.