Home / 75,206.28-103,784.26-41,672.20

Finding the Fourth Proportional to 75,206.28, 103,784.26 and 41,672.20

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Solution

The fourth proportional to 75,206.28, 103,784.26 and 41,672.20 is: 57,507.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,206.28 : 103,784.26 = 41,672.20 : x
  2. Step 2: Convert to fraction form
    75,206.28/103,784.26 = 41,672.20/x
  3. Step 3: Cross multiply
    75,206.28x = 103,784.26 × 41,672.20
  4. Step 4: Simplify right side
    75,206.28x = 4,324,918,439.57
  5. Step 5: Solve for x
    x = 4,324,918,439.57/75,206.28
  6. Step 6: Final answer
    x = 57,507.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.