Home / 66,838.89-92,236.22-36,623.56

Finding the Fourth Proportional to 66,838.89, 92,236.22 and 36,623.56

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Solution

The fourth proportional to 66,838.89, 92,236.22 and 36,623.56 is: 50,539.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,838.89 : 92,236.22 = 36,623.56 : x
  2. Step 2: Convert to fraction form
    66,838.89/92,236.22 = 36,623.56/x
  3. Step 3: Cross multiply
    66,838.89x = 92,236.22 × 36,623.56
  4. Step 4: Simplify right side
    66,838.89x = 3,378,018,633.92
  5. Step 5: Solve for x
    x = 3,378,018,633.92/66,838.89
  6. Step 6: Final answer
    x = 50,539.72

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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.