Home / 75,255.92-103,860.44-41,730.16

Finding the Fourth Proportional to 75,255.92, 103,860.44 and 41,730.16

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Solution

The fourth proportional to 75,255.92, 103,860.44 and 41,730.16 is: 57,591.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,255.92 : 103,860.44 = 41,730.16 : x
  2. Step 2: Convert to fraction form
    75,255.92/103,860.44 = 41,730.16/x
  3. Step 3: Cross multiply
    75,255.92x = 103,860.44 × 41,730.16
  4. Step 4: Simplify right side
    75,255.92x = 4,334,112,778.87
  5. Step 5: Solve for x
    x = 4,334,112,778.87/75,255.92
  6. Step 6: Final answer
    x = 57,591.65

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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.