Home / 75,120.21-103,665.96-46,825.92

Finding the Fourth Proportional to 75,120.21, 103,665.96 and 46,825.92

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Solution

The fourth proportional to 75,120.21, 103,665.96 and 46,825.92 is: 64,619.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,120.21 : 103,665.96 = 46,825.92 : x
  2. Step 2: Convert to fraction form
    75,120.21/103,665.96 = 46,825.92/x
  3. Step 3: Cross multiply
    75,120.21x = 103,665.96 × 46,825.92
  4. Step 4: Simplify right side
    75,120.21x = 4,854,253,949.68
  5. Step 5: Solve for x
    x = 4,854,253,949.68/75,120.21
  6. Step 6: Final answer
    x = 64,619.81

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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.