Home / 100,021.12-150,037.44-37,692.16

Finding the Fourth Proportional to 100,021.12, 150,037.44 and 37,692.16

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Solution

The fourth proportional to 100,021.12, 150,037.44 and 37,692.16 is: 56,540.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,021.12 : 150,037.44 = 37,692.16 : x
  2. Step 2: Convert to fraction form
    100,021.12/150,037.44 = 37,692.16/x
  3. Step 3: Cross multiply
    100,021.12x = 150,037.44 × 37,692.16
  4. Step 4: Simplify right side
    100,021.12x = 5,655,235,194.47
  5. Step 5: Solve for x
    x = 5,655,235,194.47/100,021.12
  6. Step 6: Final answer
    x = 56,540.41

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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.