Home / 90,960.54-125,529.42-50,674.28

Finding the Fourth Proportional to 90,960.54, 125,529.42 and 50,674.28

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Solution

The fourth proportional to 90,960.54, 125,529.42 and 50,674.28 is: 69,932.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,960.54 : 125,529.42 = 50,674.28 : x
  2. Step 2: Convert to fraction form
    90,960.54/125,529.42 = 50,674.28/x
  3. Step 3: Cross multiply
    90,960.54x = 125,529.42 × 50,674.28
  4. Step 4: Simplify right side
    90,960.54x = 6,361,112,977.32
  5. Step 5: Solve for x
    x = 6,361,112,977.32/90,960.54
  6. Step 6: Final answer
    x = 69,932.67

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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.