Home / 56,736.99-85,119.17-17,291.75

Finding the Fourth Proportional to 56,736.99, 85,119.17 and 17,291.75

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Solution

The fourth proportional to 56,736.99, 85,119.17 and 17,291.75 is: 25,941.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,736.99 : 85,119.17 = 17,291.75 : x
  2. Step 2: Convert to fraction form
    56,736.99/85,119.17 = 17,291.75/x
  3. Step 3: Cross multiply
    56,736.99x = 85,119.17 × 17,291.75
  4. Step 4: Simplify right side
    56,736.99x = 1,471,858,895.79
  5. Step 5: Solve for x
    x = 1,471,858,895.79/56,736.99
  6. Step 6: Final answer
    x = 25,941.79

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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.