Home / 75,419.49-104,076.03-41,887.65

Finding the Fourth Proportional to 75,419.49, 104,076.03 and 41,887.65

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Solution

The fourth proportional to 75,419.49, 104,076.03 and 41,887.65 is: 57,803.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,419.49 : 104,076.03 = 41,887.65 : x
  2. Step 2: Convert to fraction form
    75,419.49/104,076.03 = 41,887.65/x
  3. Step 3: Cross multiply
    75,419.49x = 104,076.03 × 41,887.65
  4. Step 4: Simplify right side
    75,419.49x = 4,359,500,318.03
  5. Step 5: Solve for x
    x = 4,359,500,318.03/75,419.49
  6. Step 6: Final answer
    x = 57,803.37

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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.