Home / 74,143.06-111,213.73-29,769.03

Finding the Fourth Proportional to 74,143.06, 111,213.73 and 29,769.03

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Solution

The fourth proportional to 74,143.06, 111,213.73 and 29,769.03 is: 44,653.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,143.06 : 111,213.73 = 29,769.03 : x
  2. Step 2: Convert to fraction form
    74,143.06/111,213.73 = 29,769.03/x
  3. Step 3: Cross multiply
    74,143.06x = 111,213.73 × 29,769.03
  4. Step 4: Simplify right side
    74,143.06x = 3,310,725,319.04
  5. Step 5: Solve for x
    x = 3,310,725,319.04/74,143.06
  6. Step 6: Final answer
    x = 44,653.21

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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.