Home / 74,179.14-111,415.05-63,734.46

Finding the Fourth Proportional to 74,179.14, 111,415.05 and 63,734.46

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Solution

The fourth proportional to 74,179.14, 111,415.05 and 63,734.46 is: 95,727.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,179.14 : 111,415.05 = 63,734.46 : x
  2. Step 2: Convert to fraction form
    74,179.14/111,415.05 = 63,734.46/x
  3. Step 3: Cross multiply
    74,179.14x = 111,415.05 × 63,734.46
  4. Step 4: Simplify right side
    74,179.14x = 7,100,978,047.62
  5. Step 5: Solve for x
    x = 7,100,978,047.62/74,179.14
  6. Step 6: Final answer
    x = 95,727.42

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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.