Home / 66,383.16-91,605.51-36,168.27

Finding the Fourth Proportional to 66,383.16, 91,605.51 and 36,168.27

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Solution

The fourth proportional to 66,383.16, 91,605.51 and 36,168.27 is: 49,910.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,383.16 : 91,605.51 = 36,168.27 : x
  2. Step 2: Convert to fraction form
    66,383.16/91,605.51 = 36,168.27/x
  3. Step 3: Cross multiply
    66,383.16x = 91,605.51 × 36,168.27
  4. Step 4: Simplify right side
    66,383.16x = 3,313,212,819.17
  5. Step 5: Solve for x
    x = 3,313,212,819.17/66,383.16
  6. Step 6: Final answer
    x = 49,910.44

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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.