Home / 66,997.45-92,456.06-36,783.30

Finding the Fourth Proportional to 66,997.45, 92,456.06 and 36,783.30

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Solution

The fourth proportional to 66,997.45, 92,456.06 and 36,783.30 is: 50,760.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,997.45 : 92,456.06 = 36,783.30 : x
  2. Step 2: Convert to fraction form
    66,997.45/92,456.06 = 36,783.30/x
  3. Step 3: Cross multiply
    66,997.45x = 92,456.06 × 36,783.30
  4. Step 4: Simplify right side
    66,997.45x = 3,400,838,991.80
  5. Step 5: Solve for x
    x = 3,400,838,991.80/66,997.45
  6. Step 6: Final answer
    x = 50,760.72

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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.