Home / 74,189.58-111,185.94-64,282.50

Finding the Fourth Proportional to 74,189.58, 111,185.94 and 64,282.50

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Solution

The fourth proportional to 74,189.58, 111,185.94 and 64,282.50 is: 96,338.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,189.58 : 111,185.94 = 64,282.50 : x
  2. Step 2: Convert to fraction form
    74,189.58/111,185.94 = 64,282.50/x
  3. Step 3: Cross multiply
    74,189.58x = 111,185.94 × 64,282.50
  4. Step 4: Simplify right side
    74,189.58x = 7,147,310,188.05
  5. Step 5: Solve for x
    x = 7,147,310,188.05/74,189.58
  6. Step 6: Final answer
    x = 96,338.46

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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.