Home / 74,997.42-103,497.54-50,805.78

Finding the Fourth Proportional to 74,997.42, 103,497.54 and 50,805.78

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Solution

The fourth proportional to 74,997.42, 103,497.54 and 50,805.78 is: 70,112.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,997.42 : 103,497.54 = 50,805.78 : x
  2. Step 2: Convert to fraction form
    74,997.42/103,497.54 = 50,805.78/x
  3. Step 3: Cross multiply
    74,997.42x = 103,497.54 × 50,805.78
  4. Step 4: Simplify right side
    74,997.42x = 5,258,273,247.78
  5. Step 5: Solve for x
    x = 5,258,273,247.78/74,997.42
  6. Step 6: Final answer
    x = 70,112.72

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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.