Home / 74,576.43-111,831.17-21,967.47

Finding the Fourth Proportional to 74,576.43, 111,831.17 and 21,967.47

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Solution

The fourth proportional to 74,576.43, 111,831.17 and 21,967.47 is: 32,941.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,576.43 : 111,831.17 = 21,967.47 : x
  2. Step 2: Convert to fraction form
    74,576.43/111,831.17 = 21,967.47/x
  3. Step 3: Cross multiply
    74,576.43x = 111,831.17 × 21,967.47
  4. Step 4: Simplify right side
    74,576.43x = 2,456,647,762.20
  5. Step 5: Solve for x
    x = 2,456,647,762.20/74,576.43
  6. Step 6: Final answer
    x = 32,941.34

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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.