Home / 73,190.12-109,763.40-31,069.60

Finding the Fourth Proportional to 73,190.12, 109,763.40 and 31,069.60

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Solution

The fourth proportional to 73,190.12, 109,763.40 and 31,069.60 is: 46,595.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,190.12 : 109,763.40 = 31,069.60 : x
  2. Step 2: Convert to fraction form
    73,190.12/109,763.40 = 31,069.60/x
  3. Step 3: Cross multiply
    73,190.12x = 109,763.40 × 31,069.60
  4. Step 4: Simplify right side
    73,190.12x = 3,410,304,932.64
  5. Step 5: Solve for x
    x = 3,410,304,932.64/73,190.12
  6. Step 6: Final answer
    x = 46,595.15

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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.