Home / 66,503.10-91,771.04-36,286.62

Finding the Fourth Proportional to 66,503.10, 91,771.04 and 36,286.62

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Solution

The fourth proportional to 66,503.10, 91,771.04 and 36,286.62 is: 50,073.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,503.10 : 91,771.04 = 36,286.62 : x
  2. Step 2: Convert to fraction form
    66,503.10/91,771.04 = 36,286.62/x
  3. Step 3: Cross multiply
    66,503.10x = 91,771.04 × 36,286.62
  4. Step 4: Simplify right side
    66,503.10x = 3,330,060,674.05
  5. Step 5: Solve for x
    x = 3,330,060,674.05/66,503.10
  6. Step 6: Final answer
    x = 50,073.77

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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.