Home / 90,104.26-124,352.94-49,821.07

Finding the Fourth Proportional to 90,104.26, 124,352.94 and 49,821.07

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Solution

The fourth proportional to 90,104.26, 124,352.94 and 49,821.07 is: 68,758.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,104.26 : 124,352.94 = 49,821.07 : x
  2. Step 2: Convert to fraction form
    90,104.26/124,352.94 = 49,821.07/x
  3. Step 3: Cross multiply
    90,104.26x = 124,352.94 × 49,821.07
  4. Step 4: Simplify right side
    90,104.26x = 6,195,396,528.45
  5. Step 5: Solve for x
    x = 6,195,396,528.45/90,104.26
  6. Step 6: Final answer
    x = 68,758.09

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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.