Home / 74,379.52-111,546.24-25,120

Finding the Fourth Proportional to 74,379.52, 111,546.24 and 25,120

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Solution

The fourth proportional to 74,379.52, 111,546.24 and 25,120 is: 37,672.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,379.52 : 111,546.24 = 25,120 : x
  2. Step 2: Convert to fraction form
    74,379.52/111,546.24 = 25,120/x
  3. Step 3: Cross multiply
    74,379.52x = 111,546.24 × 25,120
  4. Step 4: Simplify right side
    74,379.52x = 2,802,041,548.80
  5. Step 5: Solve for x
    x = 2,802,041,548.80/74,379.52
  6. Step 6: Final answer
    x = 37,672.22

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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.