Home / 73,215.37-109,808.07-20,625.31

Finding the Fourth Proportional to 73,215.37, 109,808.07 and 20,625.31

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Solution

The fourth proportional to 73,215.37, 109,808.07 and 20,625.31 is: 30,933.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,215.37 : 109,808.07 = 20,625.31 : x
  2. Step 2: Convert to fraction form
    73,215.37/109,808.07 = 20,625.31/x
  3. Step 3: Cross multiply
    73,215.37x = 109,808.07 × 20,625.31
  4. Step 4: Simplify right side
    73,215.37x = 2,264,825,484.25
  5. Step 5: Solve for x
    x = 2,264,825,484.25/73,215.37
  6. Step 6: Final answer
    x = 30,933.74

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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.