Home / 74,138.49-111,244.19-36,697.05

Finding the Fourth Proportional to 74,138.49, 111,244.19 and 36,697.05

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Solution

The fourth proportional to 74,138.49, 111,244.19 and 36,697.05 is: 55,063.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,138.49 : 111,244.19 = 36,697.05 : x
  2. Step 2: Convert to fraction form
    74,138.49/111,244.19 = 36,697.05/x
  3. Step 3: Cross multiply
    74,138.49x = 111,244.19 × 36,697.05
  4. Step 4: Simplify right side
    74,138.49x = 4,082,333,419.15
  5. Step 5: Solve for x
    x = 4,082,333,419.15/74,138.49
  6. Step 6: Final answer
    x = 55,063.62

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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.