Home / 74,938.56-103,414.96-41,404.48

Finding the Fourth Proportional to 74,938.56, 103,414.96 and 41,404.48

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Solution

The fourth proportional to 74,938.56, 103,414.96 and 41,404.48 is: 57,138.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,938.56 : 103,414.96 = 41,404.48 : x
  2. Step 2: Convert to fraction form
    74,938.56/103,414.96 = 41,404.48/x
  3. Step 3: Cross multiply
    74,938.56x = 103,414.96 × 41,404.48
  4. Step 4: Simplify right side
    74,938.56x = 4,281,842,643.02
  5. Step 5: Solve for x
    x = 4,281,842,643.02/74,938.56
  6. Step 6: Final answer
    x = 57,138.04

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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.