Home / 75,899.67-104,740.25-41,907.31

Finding the Fourth Proportional to 75,899.67, 104,740.25 and 41,907.31

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Solution

The fourth proportional to 75,899.67, 104,740.25 and 41,907.31 is: 57,831.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,899.67 : 104,740.25 = 41,907.31 : x
  2. Step 2: Convert to fraction form
    75,899.67/104,740.25 = 41,907.31/x
  3. Step 3: Cross multiply
    75,899.67x = 104,740.25 × 41,907.31
  4. Step 4: Simplify right side
    75,899.67x = 4,389,381,654.84
  5. Step 5: Solve for x
    x = 4,389,381,654.84/75,899.67
  6. Step 6: Final answer
    x = 57,831.37

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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.