Home / 67,080.22-100,623.78-17,160.75

Finding the Fourth Proportional to 67,080.22, 100,623.78 and 17,160.75

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Solution

The fourth proportional to 67,080.22, 100,623.78 and 17,160.75 is: 25,742.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,080.22 : 100,623.78 = 17,160.75 : x
  2. Step 2: Convert to fraction form
    67,080.22/100,623.78 = 17,160.75/x
  3. Step 3: Cross multiply
    67,080.22x = 100,623.78 × 17,160.75
  4. Step 4: Simplify right side
    67,080.22x = 1,726,779,532.64
  5. Step 5: Solve for x
    x = 1,726,779,532.64/67,080.22
  6. Step 6: Final answer
    x = 25,742.01

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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.