Home / 66,680.96-92,015.16-37,997.12

Finding the Fourth Proportional to 66,680.96, 92,015.16 and 37,997.12

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Solution

The fourth proportional to 66,680.96, 92,015.16 and 37,997.12 is: 52,433.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,680.96 : 92,015.16 = 37,997.12 : x
  2. Step 2: Convert to fraction form
    66,680.96/92,015.16 = 37,997.12/x
  3. Step 3: Cross multiply
    66,680.96x = 92,015.16 × 37,997.12
  4. Step 4: Simplify right side
    66,680.96x = 3,496,311,076.34
  5. Step 5: Solve for x
    x = 3,496,311,076.34/66,680.96
  6. Step 6: Final answer
    x = 52,433.42

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1.5x scale

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.