Home / 120,037.37-165,651.58-66,322.83

Finding the Fourth Proportional to 120,037.37, 165,651.58 and 66,322.83

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Solution

The fourth proportional to 120,037.37, 165,651.58 and 66,322.83 is: 91,525.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,037.37 : 165,651.58 = 66,322.83 : x
  2. Step 2: Convert to fraction form
    120,037.37/165,651.58 = 66,322.83/x
  3. Step 3: Cross multiply
    120,037.37x = 165,651.58 × 66,322.83
  4. Step 4: Simplify right side
    120,037.37x = 10,986,480,885.98
  5. Step 5: Solve for x
    x = 10,986,480,885.98/120,037.37
  6. Step 6: Final answer
    x = 91,525.51

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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.