Home / 66,985.46-92,439.57-36,771.29

Finding the Fourth Proportional to 66,985.46, 92,439.57 and 36,771.29

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Solution

The fourth proportional to 66,985.46, 92,439.57 and 36,771.29 is: 50,744.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,985.46 : 92,439.57 = 36,771.29 : x
  2. Step 2: Convert to fraction form
    66,985.46/92,439.57 = 36,771.29/x
  3. Step 3: Cross multiply
    66,985.46x = 92,439.57 × 36,771.29
  4. Step 4: Simplify right side
    66,985.46x = 3,399,122,273.01
  5. Step 5: Solve for x
    x = 3,399,122,273.01/66,985.46
  6. Step 6: Final answer
    x = 50,744.18

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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.