Home / 123,861.44-170,928.84-67,274

Finding the Fourth Proportional to 123,861.44, 170,928.84 and 67,274

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Solution

The fourth proportional to 123,861.44, 170,928.84 and 67,274 is: 92,838.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,861.44 : 170,928.84 = 67,274 : x
  2. Step 2: Convert to fraction form
    123,861.44/170,928.84 = 67,274/x
  3. Step 3: Cross multiply
    123,861.44x = 170,928.84 × 67,274
  4. Step 4: Simplify right side
    123,861.44x = 11,499,066,782.16
  5. Step 5: Solve for x
    x = 11,499,066,782.16/123,861.44
  6. Step 6: Final answer
    x = 92,838.15

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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.