Home / 75,372.84-104,015.76-41,384.48

Finding the Fourth Proportional to 75,372.84, 104,015.76 and 41,384.48

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Solution

The fourth proportional to 75,372.84, 104,015.76 and 41,384.48 is: 57,111.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,372.84 : 104,015.76 = 41,384.48 : x
  2. Step 2: Convert to fraction form
    75,372.84/104,015.76 = 41,384.48/x
  3. Step 3: Cross multiply
    75,372.84x = 104,015.76 × 41,384.48
  4. Step 4: Simplify right side
    75,372.84x = 4,304,638,139.40
  5. Step 5: Solve for x
    x = 4,304,638,139.40/75,372.84
  6. Step 6: Final answer
    x = 57,111.26

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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.