Home / 77,974.46-107,602.34-43,982.46

Finding the Fourth Proportional to 77,974.46, 107,602.34 and 43,982.46

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Solution

The fourth proportional to 77,974.46, 107,602.34 and 43,982.46 is: 60,694.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,974.46 : 107,602.34 = 43,982.46 : x
  2. Step 2: Convert to fraction form
    77,974.46/107,602.34 = 43,982.46/x
  3. Step 3: Cross multiply
    77,974.46x = 107,602.34 × 43,982.46
  4. Step 4: Simplify right side
    77,974.46x = 4,732,615,642.45
  5. Step 5: Solve for x
    x = 4,732,615,642.45/77,974.46
  6. Step 6: Final answer
    x = 60,694.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.