Home / 74,215.44-102,422.25-41,938.86

Finding the Fourth Proportional to 74,215.44, 102,422.25 and 41,938.86

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Solution

The fourth proportional to 74,215.44, 102,422.25 and 41,938.86 is: 57,878.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,215.44 : 102,422.25 = 41,938.86 : x
  2. Step 2: Convert to fraction form
    74,215.44/102,422.25 = 41,938.86/x
  3. Step 3: Cross multiply
    74,215.44x = 102,422.25 × 41,938.86
  4. Step 4: Simplify right side
    74,215.44x = 4,295,472,403.64
  5. Step 5: Solve for x
    x = 4,295,472,403.64/74,215.44
  6. Step 6: Final answer
    x = 57,878.42

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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.