Home / 75,419.87-104,076.56-41,888.03

Finding the Fourth Proportional to 75,419.87, 104,076.56 and 41,888.03

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Solution

The fourth proportional to 75,419.87, 104,076.56 and 41,888.03 is: 57,803.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,419.87 : 104,076.56 = 41,888.03 : x
  2. Step 2: Convert to fraction form
    75,419.87/104,076.56 = 41,888.03/x
  3. Step 3: Cross multiply
    75,419.87x = 104,076.56 × 41,888.03
  4. Step 4: Simplify right side
    75,419.87x = 4,359,561,651.91
  5. Step 5: Solve for x
    x = 4,359,561,651.91/75,419.87
  6. Step 6: Final answer
    x = 57,803.89

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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.