Home / 90,961.52-125,527.89-50,677.59

Finding the Fourth Proportional to 90,961.52, 125,527.89 and 50,677.59

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Solution

The fourth proportional to 90,961.52, 125,527.89 and 50,677.59 is: 69,935.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,961.52 : 125,527.89 = 50,677.59 : x
  2. Step 2: Convert to fraction form
    90,961.52/125,527.89 = 50,677.59/x
  3. Step 3: Cross multiply
    90,961.52x = 125,527.89 × 50,677.59
  4. Step 4: Simplify right side
    90,961.52x = 6,361,450,942.99
  5. Step 5: Solve for x
    x = 6,361,450,942.99/90,961.52
  6. Step 6: Final answer
    x = 69,935.63

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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.