Home / 75,414.75-104,072.56-41,880.75

Finding the Fourth Proportional to 75,414.75, 104,072.56 and 41,880.75

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Solution

The fourth proportional to 75,414.75, 104,072.56 and 41,880.75 is: 57,795.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,414.75 : 104,072.56 = 41,880.75 : x
  2. Step 2: Convert to fraction form
    75,414.75/104,072.56 = 41,880.75/x
  3. Step 3: Cross multiply
    75,414.75x = 104,072.56 × 41,880.75
  4. Step 4: Simplify right side
    75,414.75x = 4,358,636,346.86
  5. Step 5: Solve for x
    x = 4,358,636,346.86/75,414.75
  6. Step 6: Final answer
    x = 57,795.55

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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.