Home / 80,080.43-119,988.70-27,461.03

Finding the Fourth Proportional to 80,080.43, 119,988.70 and 27,461.03

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Solution

The fourth proportional to 80,080.43, 119,988.70 and 27,461.03 is: 41,146.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,080.43 : 119,988.70 = 27,461.03 : x
  2. Step 2: Convert to fraction form
    80,080.43/119,988.70 = 27,461.03/x
  3. Step 3: Cross multiply
    80,080.43x = 119,988.70 × 27,461.03
  4. Step 4: Simplify right side
    80,080.43x = 3,295,012,621.76
  5. Step 5: Solve for x
    x = 3,295,012,621.76/80,080.43
  6. Step 6: Final answer
    x = 41,146.29

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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.