Home / 66,917.84-92,354.33-40,060.34

Finding the Fourth Proportional to 66,917.84, 92,354.33 and 40,060.34

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Solution

The fourth proportional to 66,917.84, 92,354.33 and 40,060.34 is: 55,287.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,917.84 : 92,354.33 = 40,060.34 : x
  2. Step 2: Convert to fraction form
    66,917.84/92,354.33 = 40,060.34/x
  3. Step 3: Cross multiply
    66,917.84x = 92,354.33 × 40,060.34
  4. Step 4: Simplify right side
    66,917.84x = 3,699,745,198.20
  5. Step 5: Solve for x
    x = 3,699,745,198.20/66,917.84
  6. Step 6: Final answer
    x = 55,287.88

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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.