Home / 123,409.45-185,077.49-52,331.03

Finding the Fourth Proportional to 123,409.45, 185,077.49 and 52,331.03

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Solution

The fourth proportional to 123,409.45, 185,077.49 and 52,331.03 is: 78,481.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,409.45 : 185,077.49 = 52,331.03 : x
  2. Step 2: Convert to fraction form
    123,409.45/185,077.49 = 52,331.03/x
  3. Step 3: Cross multiply
    123,409.45x = 185,077.49 × 52,331.03
  4. Step 4: Simplify right side
    123,409.45x = 9,685,296,523.94
  5. Step 5: Solve for x
    x = 9,685,296,523.94/123,409.45
  6. Step 6: Final answer
    x = 78,481.00

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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.