Home / 107,571.78-148,446.45-58,512.14

Finding the Fourth Proportional to 107,571.78, 148,446.45 and 58,512.14

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Solution

The fourth proportional to 107,571.78, 148,446.45 and 58,512.14 is: 80,745.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,571.78 : 148,446.45 = 58,512.14 : x
  2. Step 2: Convert to fraction form
    107,571.78/148,446.45 = 58,512.14/x
  3. Step 3: Cross multiply
    107,571.78x = 148,446.45 × 58,512.14
  4. Step 4: Simplify right side
    107,571.78x = 8,685,919,464.90
  5. Step 5: Solve for x
    x = 8,685,919,464.90/107,571.78
  6. Step 6: Final answer
    x = 80,745.34

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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.