Home / 90,583.11-135,751.12-34,393.13

Finding the Fourth Proportional to 90,583.11, 135,751.12 and 34,393.13

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Solution

The fourth proportional to 90,583.11, 135,751.12 and 34,393.13 is: 51,542.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,583.11 : 135,751.12 = 34,393.13 : x
  2. Step 2: Convert to fraction form
    90,583.11/135,751.12 = 34,393.13/x
  3. Step 3: Cross multiply
    90,583.11x = 135,751.12 × 34,393.13
  4. Step 4: Simplify right side
    90,583.11x = 4,668,905,745.84
  5. Step 5: Solve for x
    x = 4,668,905,745.84/90,583.11
  6. Step 6: Final answer
    x = 51,542.78

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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.