Home / 74,464.75-111,697.08-30,091.53

Finding the Fourth Proportional to 74,464.75, 111,697.08 and 30,091.53

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Solution

The fourth proportional to 74,464.75, 111,697.08 and 30,091.53 is: 45,137.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,464.75 : 111,697.08 = 30,091.53 : x
  2. Step 2: Convert to fraction form
    74,464.75/111,697.08 = 30,091.53/x
  3. Step 3: Cross multiply
    74,464.75x = 111,697.08 × 30,091.53
  4. Step 4: Simplify right side
    74,464.75x = 3,361,136,339.75
  5. Step 5: Solve for x
    x = 3,361,136,339.75/74,464.75
  6. Step 6: Final answer
    x = 45,137.28

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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.