Home / 73,982.84-110,979.66-21,392.60

Finding the Fourth Proportional to 73,982.84, 110,979.66 and 21,392.60

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Solution

The fourth proportional to 73,982.84, 110,979.66 and 21,392.60 is: 32,090.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,982.84 : 110,979.66 = 21,392.60 : x
  2. Step 2: Convert to fraction form
    73,982.84/110,979.66 = 21,392.60/x
  3. Step 3: Cross multiply
    73,982.84x = 110,979.66 × 21,392.60
  4. Step 4: Simplify right side
    73,982.84x = 2,374,143,474.52
  5. Step 5: Solve for x
    x = 2,374,143,474.52/73,982.84
  6. Step 6: Final answer
    x = 32,090.46

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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.