Home / 74,836.94-103,274-40,845.98

Finding the Fourth Proportional to 74,836.94, 103,274 and 40,845.98

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Solution

The fourth proportional to 74,836.94, 103,274 and 40,845.98 is: 56,366.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,836.94 : 103,274 = 40,845.98 : x
  2. Step 2: Convert to fraction form
    74,836.94/103,274 = 40,845.98/x
  3. Step 3: Cross multiply
    74,836.94x = 103,274 × 40,845.98
  4. Step 4: Simplify right side
    74,836.94x = 4,218,327,738.52
  5. Step 5: Solve for x
    x = 4,218,327,738.52/74,836.94
  6. Step 6: Final answer
    x = 56,366.92

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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.