Home / 74,961.16-103,442.34-41,425

Finding the Fourth Proportional to 74,961.16, 103,442.34 and 41,425

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Solution

The fourth proportional to 74,961.16, 103,442.34 and 41,425 is: 57,164.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,961.16 : 103,442.34 = 41,425 : x
  2. Step 2: Convert to fraction form
    74,961.16/103,442.34 = 41,425/x
  3. Step 3: Cross multiply
    74,961.16x = 103,442.34 × 41,425
  4. Step 4: Simplify right side
    74,961.16x = 4,285,098,934.50
  5. Step 5: Solve for x
    x = 4,285,098,934.50/74,961.16
  6. Step 6: Final answer
    x = 57,164.26

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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.