Home / 75,165.47-103,727.21-41,173.68

Finding the Fourth Proportional to 75,165.47, 103,727.21 and 41,173.68

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Solution

The fourth proportional to 75,165.47, 103,727.21 and 41,173.68 is: 56,819.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,165.47 : 103,727.21 = 41,173.68 : x
  2. Step 2: Convert to fraction form
    75,165.47/103,727.21 = 41,173.68/x
  3. Step 3: Cross multiply
    75,165.47x = 103,727.21 × 41,173.68
  4. Step 4: Simplify right side
    75,165.47x = 4,270,830,745.96
  5. Step 5: Solve for x
    x = 4,270,830,745.96/75,165.47
  6. Step 6: Final answer
    x = 56,819.06

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1.5x scale

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.