Home / 66,623.54-91,936.56-36,402.84

Finding the Fourth Proportional to 66,623.54, 91,936.56 and 36,402.84

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Solution

The fourth proportional to 66,623.54, 91,936.56 and 36,402.84 is: 50,233.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,623.54 : 91,936.56 = 36,402.84 : x
  2. Step 2: Convert to fraction form
    66,623.54/91,936.56 = 36,402.84/x
  3. Step 3: Cross multiply
    66,623.54x = 91,936.56 × 36,402.84
  4. Step 4: Simplify right side
    66,623.54x = 3,346,751,883.83
  5. Step 5: Solve for x
    x = 3,346,751,883.83/66,623.54
  6. Step 6: Final answer
    x = 50,233.77

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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.