Home / 74,019.15-102,147.53-41,755.28

Finding the Fourth Proportional to 74,019.15, 102,147.53 and 41,755.28

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Solution

The fourth proportional to 74,019.15, 102,147.53 and 41,755.28 is: 57,622.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,019.15 : 102,147.53 = 41,755.28 : x
  2. Step 2: Convert to fraction form
    74,019.15/102,147.53 = 41,755.28/x
  3. Step 3: Cross multiply
    74,019.15x = 102,147.53 × 41,755.28
  4. Step 4: Simplify right side
    74,019.15x = 4,265,197,996.94
  5. Step 5: Solve for x
    x = 4,265,197,996.94/74,019.15
  6. Step 6: Final answer
    x = 57,622.90

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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.