Home / 89,075.25-122,930.82-50,825.97

Finding the Fourth Proportional to 89,075.25, 122,930.82 and 50,825.97

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Solution

The fourth proportional to 89,075.25, 122,930.82 and 50,825.97 is: 70,143.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,075.25 : 122,930.82 = 50,825.97 : x
  2. Step 2: Convert to fraction form
    89,075.25/122,930.82 = 50,825.97/x
  3. Step 3: Cross multiply
    89,075.25x = 122,930.82 × 50,825.97
  4. Step 4: Simplify right side
    89,075.25x = 6,248,078,169.40
  5. Step 5: Solve for x
    x = 6,248,078,169.40/89,075.25
  6. Step 6: Final answer
    x = 70,143.82

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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.