Home / 90,913.92-136,383.68-44,160.64

Finding the Fourth Proportional to 90,913.92, 136,383.68 and 44,160.64

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Solution

The fourth proportional to 90,913.92, 136,383.68 and 44,160.64 is: 66,247.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,913.92 : 136,383.68 = 44,160.64 : x
  2. Step 2: Convert to fraction form
    90,913.92/136,383.68 = 44,160.64/x
  3. Step 3: Cross multiply
    90,913.92x = 136,383.68 × 44,160.64
  4. Step 4: Simplify right side
    90,913.92x = 6,022,790,594.36
  5. Step 5: Solve for x
    x = 6,022,790,594.36/90,913.92
  6. Step 6: Final answer
    x = 66,247.18

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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.