Home / 75,328.48-113,010.04-33,220.53

Finding the Fourth Proportional to 75,328.48, 113,010.04 and 33,220.53

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Solution

The fourth proportional to 75,328.48, 113,010.04 and 33,220.53 is: 49,838.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,328.48 : 113,010.04 = 33,220.53 : x
  2. Step 2: Convert to fraction form
    75,328.48/113,010.04 = 33,220.53/x
  3. Step 3: Cross multiply
    75,328.48x = 113,010.04 × 33,220.53
  4. Step 4: Simplify right side
    75,328.48x = 3,754,253,278.78
  5. Step 5: Solve for x
    x = 3,754,253,278.78/75,328.48
  6. Step 6: Final answer
    x = 49,838.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.