Home / 45,068.57-67,597.67-11,791.85

Finding the Fourth Proportional to 45,068.57, 67,597.67 and 11,791.85

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Solution

The fourth proportional to 45,068.57, 67,597.67 and 11,791.85 is: 17,686.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,068.57 : 67,597.67 = 11,791.85 : x
  2. Step 2: Convert to fraction form
    45,068.57/67,597.67 = 11,791.85/x
  3. Step 3: Cross multiply
    45,068.57x = 67,597.67 × 11,791.85
  4. Step 4: Simplify right side
    45,068.57x = 797,101,783.46
  5. Step 5: Solve for x
    x = 797,101,783.46/45,068.57
  6. Step 6: Final answer
    x = 17,686.42

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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.