Home / 67,263.03-100,907.84-19,878.97

Finding the Fourth Proportional to 67,263.03, 100,907.84 and 19,878.97

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Solution

The fourth proportional to 67,263.03, 100,907.84 and 19,878.97 is: 29,822.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,263.03 : 100,907.84 = 19,878.97 : x
  2. Step 2: Convert to fraction form
    67,263.03/100,907.84 = 19,878.97/x
  3. Step 3: Cross multiply
    67,263.03x = 100,907.84 × 19,878.97
  4. Step 4: Simplify right side
    67,263.03x = 2,005,943,824.73
  5. Step 5: Solve for x
    x = 2,005,943,824.73/67,263.03
  6. Step 6: Final answer
    x = 29,822.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.