Home / 93,919.08-140,884.20-30,745.76

Finding the Fourth Proportional to 93,919.08, 140,884.20 and 30,745.76

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Solution

The fourth proportional to 93,919.08, 140,884.20 and 30,745.76 is: 46,120.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,919.08 : 140,884.20 = 30,745.76 : x
  2. Step 2: Convert to fraction form
    93,919.08/140,884.20 = 30,745.76/x
  3. Step 3: Cross multiply
    93,919.08x = 140,884.20 × 30,745.76
  4. Step 4: Simplify right side
    93,919.08x = 4,331,591,800.99
  5. Step 5: Solve for x
    x = 4,331,591,800.99/93,919.08
  6. Step 6: Final answer
    x = 46,120.47

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1.5x scale

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.