Home / 90,963.88-125,526.99-50,675.56

Finding the Fourth Proportional to 90,963.88, 125,526.99 and 50,675.56

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Solution

The fourth proportional to 90,963.88, 125,526.99 and 50,675.56 is: 69,930.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,963.88 : 125,526.99 = 50,675.56 : x
  2. Step 2: Convert to fraction form
    90,963.88/125,526.99 = 50,675.56/x
  3. Step 3: Cross multiply
    90,963.88x = 125,526.99 × 50,675.56
  4. Step 4: Simplify right side
    90,963.88x = 6,361,150,513.36
  5. Step 5: Solve for x
    x = 6,361,150,513.36/90,963.88
  6. Step 6: Final answer
    x = 69,930.51

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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.