Home / 45,918.33-68,888.94-13,086.33

Finding the Fourth Proportional to 45,918.33, 68,888.94 and 13,086.33

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Solution

The fourth proportional to 45,918.33, 68,888.94 and 13,086.33 is: 19,632.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,918.33 : 68,888.94 = 13,086.33 : x
  2. Step 2: Convert to fraction form
    45,918.33/68,888.94 = 13,086.33/x
  3. Step 3: Cross multiply
    45,918.33x = 68,888.94 × 13,086.33
  4. Step 4: Simplify right side
    45,918.33x = 901,503,336.76
  5. Step 5: Solve for x
    x = 901,503,336.76/45,918.33
  6. Step 6: Final answer
    x = 19,632.76

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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.