Home / 84,236.92-116,205-50,221.46

Finding the Fourth Proportional to 84,236.92, 116,205 and 50,221.46

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Solution

The fourth proportional to 84,236.92, 116,205 and 50,221.46 is: 69,280.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,236.92 : 116,205 = 50,221.46 : x
  2. Step 2: Convert to fraction form
    84,236.92/116,205 = 50,221.46/x
  3. Step 3: Cross multiply
    84,236.92x = 116,205 × 50,221.46
  4. Step 4: Simplify right side
    84,236.92x = 5,835,984,759.30
  5. Step 5: Solve for x
    x = 5,835,984,759.30/84,236.92
  6. Step 6: Final answer
    x = 69,280.60

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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.