Home / 59,668.81-89,447.32-20,198.29

Finding the Fourth Proportional to 59,668.81, 89,447.32 and 20,198.29

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Solution

The fourth proportional to 59,668.81, 89,447.32 and 20,198.29 is: 30,278.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,668.81 : 89,447.32 = 20,198.29 : x
  2. Step 2: Convert to fraction form
    59,668.81/89,447.32 = 20,198.29/x
  3. Step 3: Cross multiply
    59,668.81x = 89,447.32 × 20,198.29
  4. Step 4: Simplify right side
    59,668.81x = 1,806,682,909.08
  5. Step 5: Solve for x
    x = 1,806,682,909.08/59,668.81
  6. Step 6: Final answer
    x = 30,278.51

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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.