Home / 66,851.89-92,256.34-36,636.57

Finding the Fourth Proportional to 66,851.89, 92,256.34 and 36,636.57

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Solution

The fourth proportional to 66,851.89, 92,256.34 and 36,636.57 is: 50,558.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,851.89 : 92,256.34 = 36,636.57 : x
  2. Step 2: Convert to fraction form
    66,851.89/92,256.34 = 36,636.57/x
  3. Step 3: Cross multiply
    66,851.89x = 92,256.34 × 36,636.57
  4. Step 4: Simplify right side
    66,851.89x = 3,379,955,858.35
  5. Step 5: Solve for x
    x = 3,379,955,858.35/66,851.89
  6. Step 6: Final answer
    x = 50,558.87

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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.