Home / 90,075.44-124,297.53-49,786.94

Finding the Fourth Proportional to 90,075.44, 124,297.53 and 49,786.94

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Solution

The fourth proportional to 90,075.44, 124,297.53 and 49,786.94 is: 68,702.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,075.44 : 124,297.53 = 49,786.94 : x
  2. Step 2: Convert to fraction form
    90,075.44/124,297.53 = 49,786.94/x
  3. Step 3: Cross multiply
    90,075.44x = 124,297.53 × 49,786.94
  4. Step 4: Simplify right side
    90,075.44x = 6,188,393,668.26
  5. Step 5: Solve for x
    x = 6,188,393,668.26/90,075.44
  6. Step 6: Final answer
    x = 68,702.34

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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.