Home / 53,738.94-74,136.72-33,560.78

Finding the Fourth Proportional to 53,738.94, 74,136.72 and 33,560.78

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Solution

The fourth proportional to 53,738.94, 74,136.72 and 33,560.78 is: 46,299.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,738.94 : 74,136.72 = 33,560.78 : x
  2. Step 2: Convert to fraction form
    53,738.94/74,136.72 = 33,560.78/x
  3. Step 3: Cross multiply
    53,738.94x = 74,136.72 × 33,560.78
  4. Step 4: Simplify right side
    53,738.94x = 2,488,086,149.84
  5. Step 5: Solve for x
    x = 2,488,086,149.84/53,738.94
  6. Step 6: Final answer
    x = 46,299.50

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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.