Home / 93,431.20-140,103.60-40,813.60

Finding the Fourth Proportional to 93,431.20, 140,103.60 and 40,813.60

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Solution

The fourth proportional to 93,431.20, 140,103.60 and 40,813.60 is: 61,201.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,431.20 : 140,103.60 = 40,813.60 : x
  2. Step 2: Convert to fraction form
    93,431.20/140,103.60 = 40,813.60/x
  3. Step 3: Cross multiply
    93,431.20x = 140,103.60 × 40,813.60
  4. Step 4: Simplify right side
    93,431.20x = 5,718,132,288.96
  5. Step 5: Solve for x
    x = 5,718,132,288.96/93,431.20
  6. Step 6: Final answer
    x = 61,201.53

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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.