Home / 65,538.33-90,441.81-36,465.61

Finding the Fourth Proportional to 65,538.33, 90,441.81 and 36,465.61

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Solution

The fourth proportional to 65,538.33, 90,441.81 and 36,465.61 is: 50,321.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,538.33 : 90,441.81 = 36,465.61 : x
  2. Step 2: Convert to fraction form
    65,538.33/90,441.81 = 36,465.61/x
  3. Step 3: Cross multiply
    65,538.33x = 90,441.81 × 36,465.61
  4. Step 4: Simplify right side
    65,538.33x = 3,298,015,771.15
  5. Step 5: Solve for x
    x = 3,298,015,771.15/65,538.33
  6. Step 6: Final answer
    x = 50,321.94

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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.