Home / 74,650.32-111,974.70-30,266.52

Finding the Fourth Proportional to 74,650.32, 111,974.70 and 30,266.52

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Solution

The fourth proportional to 74,650.32, 111,974.70 and 30,266.52 is: 45,399.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,650.32 : 111,974.70 = 30,266.52 : x
  2. Step 2: Convert to fraction form
    74,650.32/111,974.70 = 30,266.52/x
  3. Step 3: Cross multiply
    74,650.32x = 111,974.70 × 30,266.52
  4. Step 4: Simplify right side
    74,650.32x = 3,389,084,497.04
  5. Step 5: Solve for x
    x = 3,389,084,497.04/74,650.32
  6. Step 6: Final answer
    x = 45,399.46

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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.