Home / 75,418.55-104,112.97-43,581.23

Finding the Fourth Proportional to 75,418.55, 104,112.97 and 43,581.23

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Solution

The fourth proportional to 75,418.55, 104,112.97 and 43,581.23 is: 60,162.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,418.55 : 104,112.97 = 43,581.23 : x
  2. Step 2: Convert to fraction form
    75,418.55/104,112.97 = 43,581.23/x
  3. Step 3: Cross multiply
    75,418.55x = 104,112.97 × 43,581.23
  4. Step 4: Simplify right side
    75,418.55x = 4,537,370,770.99
  5. Step 5: Solve for x
    x = 4,537,370,770.99/75,418.55
  6. Step 6: Final answer
    x = 60,162.53

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1.5x scale

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.