Home / 66,820.41-92,212.18-36,606.81

Finding the Fourth Proportional to 66,820.41, 92,212.18 and 36,606.81

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Solution

The fourth proportional to 66,820.41, 92,212.18 and 36,606.81 is: 50,517.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,820.41 : 92,212.18 = 36,606.81 : x
  2. Step 2: Convert to fraction form
    66,820.41/92,212.18 = 36,606.81/x
  3. Step 3: Cross multiply
    66,820.41x = 92,212.18 × 36,606.81
  4. Step 4: Simplify right side
    66,820.41x = 3,375,593,752.95
  5. Step 5: Solve for x
    x = 3,375,593,752.95/66,820.41
  6. Step 6: Final answer
    x = 50,517.41

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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.