Home / 67,056.82-100,607.07-31,991.94

Finding the Fourth Proportional to 67,056.82, 100,607.07 and 31,991.94

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Solution

The fourth proportional to 67,056.82, 100,607.07 and 31,991.94 is: 47,998.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,056.82 : 100,607.07 = 31,991.94 : x
  2. Step 2: Convert to fraction form
    67,056.82/100,607.07 = 31,991.94/x
  3. Step 3: Cross multiply
    67,056.82x = 100,607.07 × 31,991.94
  4. Step 4: Simplify right side
    67,056.82x = 3,218,615,347.02
  5. Step 5: Solve for x
    x = 3,218,615,347.02/67,056.82
  6. Step 6: Final answer
    x = 47,998.33

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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.