Home / 74,147.72-111,168.62-34,683.30

Finding the Fourth Proportional to 74,147.72, 111,168.62 and 34,683.30

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Solution

The fourth proportional to 74,147.72, 111,168.62 and 34,683.30 is: 52,000.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,147.72 : 111,168.62 = 34,683.30 : x
  2. Step 2: Convert to fraction form
    74,147.72/111,168.62 = 34,683.30/x
  3. Step 3: Cross multiply
    74,147.72x = 111,168.62 × 34,683.30
  4. Step 4: Simplify right side
    74,147.72x = 3,855,694,424.63
  5. Step 5: Solve for x
    x = 3,855,694,424.63/74,147.72
  6. Step 6: Final answer
    x = 52,000.18

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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.