Home / 81,622.46-122,471.36-37,262.82

Finding the Fourth Proportional to 81,622.46, 122,471.36 and 37,262.82

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Solution

The fourth proportional to 81,622.46, 122,471.36 and 37,262.82 is: 55,911.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,622.46 : 122,471.36 = 37,262.82 : x
  2. Step 2: Convert to fraction form
    81,622.46/122,471.36 = 37,262.82/x
  3. Step 3: Cross multiply
    81,622.46x = 122,471.36 × 37,262.82
  4. Step 4: Simplify right side
    81,622.46x = 4,563,628,242.84
  5. Step 5: Solve for x
    x = 4,563,628,242.84/81,622.46
  6. Step 6: Final answer
    x = 55,911.43

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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.