Home / 107,080.27-160,487.12-69,029.20

Finding the Fourth Proportional to 107,080.27, 160,487.12 and 69,029.20

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Solution

The fourth proportional to 107,080.27, 160,487.12 and 69,029.20 is: 103,457.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,080.27 : 160,487.12 = 69,029.20 : x
  2. Step 2: Convert to fraction form
    107,080.27/160,487.12 = 69,029.20/x
  3. Step 3: Cross multiply
    107,080.27x = 160,487.12 × 69,029.20
  4. Step 4: Simplify right side
    107,080.27x = 11,078,297,503.90
  5. Step 5: Solve for x
    x = 11,078,297,503.90/107,080.27
  6. Step 6: Final answer
    x = 103,457.88

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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.