Home / 67,080.13-100,666.33-27,637.25

Finding the Fourth Proportional to 67,080.13, 100,666.33 and 27,637.25

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Solution

The fourth proportional to 67,080.13, 100,666.33 and 27,637.25 is: 41,474.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,080.13 : 100,666.33 = 27,637.25 : x
  2. Step 2: Convert to fraction form
    67,080.13/100,666.33 = 27,637.25/x
  3. Step 3: Cross multiply
    67,080.13x = 100,666.33 × 27,637.25
  4. Step 4: Simplify right side
    67,080.13x = 2,782,140,528.79
  5. Step 5: Solve for x
    x = 2,782,140,528.79/67,080.13
  6. Step 6: Final answer
    x = 41,474.88

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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.