Home / 68,896.08-95,074.56-38,680.56

Finding the Fourth Proportional to 68,896.08, 95,074.56 and 38,680.56

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Solution

The fourth proportional to 68,896.08, 95,074.56 and 38,680.56 is: 53,378.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,896.08 : 95,074.56 = 38,680.56 : x
  2. Step 2: Convert to fraction form
    68,896.08/95,074.56 = 38,680.56/x
  3. Step 3: Cross multiply
    68,896.08x = 95,074.56 × 38,680.56
  4. Step 4: Simplify right side
    68,896.08x = 3,677,537,222.55
  5. Step 5: Solve for x
    x = 3,677,537,222.55/68,896.08
  6. Step 6: Final answer
    x = 53,378.03

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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.