Home / 66,450.28-99,658.44-19,692.24

Finding the Fourth Proportional to 66,450.28, 99,658.44 and 19,692.24

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Solution

The fourth proportional to 66,450.28, 99,658.44 and 19,692.24 is: 29,533.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,450.28 : 99,658.44 = 19,692.24 : x
  2. Step 2: Convert to fraction form
    66,450.28/99,658.44 = 19,692.24/x
  3. Step 3: Cross multiply
    66,450.28x = 99,658.44 × 19,692.24
  4. Step 4: Simplify right side
    66,450.28x = 1,962,497,918.51
  5. Step 5: Solve for x
    x = 1,962,497,918.51/66,450.28
  6. Step 6: Final answer
    x = 29,533.33

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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.