Home / 49,378.08-68,004.99-42,661.56

Finding the Fourth Proportional to 49,378.08, 68,004.99 and 42,661.56

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Solution

The fourth proportional to 49,378.08, 68,004.99 and 42,661.56 is: 58,754.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,378.08 : 68,004.99 = 42,661.56 : x
  2. Step 2: Convert to fraction form
    49,378.08/68,004.99 = 42,661.56/x
  3. Step 3: Cross multiply
    49,378.08x = 68,004.99 × 42,661.56
  4. Step 4: Simplify right side
    49,378.08x = 2,901,198,961.18
  5. Step 5: Solve for x
    x = 2,901,198,961.18/49,378.08
  6. Step 6: Final answer
    x = 58,754.79

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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.