Home / 58,299.56-87,452.07-18,859.75

Finding the Fourth Proportional to 58,299.56, 87,452.07 and 18,859.75

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Solution

The fourth proportional to 58,299.56, 87,452.07 and 18,859.75 is: 28,290.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,299.56 : 87,452.07 = 18,859.75 : x
  2. Step 2: Convert to fraction form
    58,299.56/87,452.07 = 18,859.75/x
  3. Step 3: Cross multiply
    58,299.56x = 87,452.07 × 18,859.75
  4. Step 4: Simplify right side
    58,299.56x = 1,649,324,177.18
  5. Step 5: Solve for x
    x = 1,649,324,177.18/58,299.56
  6. Step 6: Final answer
    x = 28,290.51

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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.