Home / 74,215.94-102,422.94-41,939.36

Finding the Fourth Proportional to 74,215.94, 102,422.94 and 41,939.36

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Solution

The fourth proportional to 74,215.94, 102,422.94 and 41,939.36 is: 57,879.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,215.94 : 102,422.94 = 41,939.36 : x
  2. Step 2: Convert to fraction form
    74,215.94/102,422.94 = 41,939.36/x
  3. Step 3: Cross multiply
    74,215.94x = 102,422.94 × 41,939.36
  4. Step 4: Simplify right side
    74,215.94x = 4,295,552,552.92
  5. Step 5: Solve for x
    x = 4,295,552,552.92/74,215.94
  6. Step 6: Final answer
    x = 57,879.11

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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.