Home / 90,842.97-125,366.09-50,558.97

Finding the Fourth Proportional to 90,842.97, 125,366.09 and 50,558.97

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Solution

The fourth proportional to 90,842.97, 125,366.09 and 50,558.97 is: 69,772.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,842.97 : 125,366.09 = 50,558.97 : x
  2. Step 2: Convert to fraction form
    90,842.97/125,366.09 = 50,558.97/x
  3. Step 3: Cross multiply
    90,842.97x = 125,366.09 × 50,558.97
  4. Step 4: Simplify right side
    90,842.97x = 6,338,380,130.53
  5. Step 5: Solve for x
    x = 6,338,380,130.53/90,842.97
  6. Step 6: Final answer
    x = 69,772.93

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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.