Home / 74,138.34-111,192.12-27,359.22

Finding the Fourth Proportional to 74,138.34, 111,192.12 and 27,359.22

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Solution

The fourth proportional to 74,138.34, 111,192.12 and 27,359.22 is: 41,033.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,138.34 : 111,192.12 = 27,359.22 : x
  2. Step 2: Convert to fraction form
    74,138.34/111,192.12 = 27,359.22/x
  3. Step 3: Cross multiply
    74,138.34x = 111,192.12 × 27,359.22
  4. Step 4: Simplify right side
    74,138.34x = 3,042,129,673.35
  5. Step 5: Solve for x
    x = 3,042,129,673.35/74,138.34
  6. Step 6: Final answer
    x = 41,033.15

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1.5x scale

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.