Home / 80,525.12-120,808.52-30,606.08

Finding the Fourth Proportional to 80,525.12, 120,808.52 and 30,606.08

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Solution

The fourth proportional to 80,525.12, 120,808.52 and 30,606.08 is: 45,917.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,525.12 : 120,808.52 = 30,606.08 : x
  2. Step 2: Convert to fraction form
    80,525.12/120,808.52 = 30,606.08/x
  3. Step 3: Cross multiply
    80,525.12x = 120,808.52 × 30,606.08
  4. Step 4: Simplify right side
    80,525.12x = 3,697,475,227.80
  5. Step 5: Solve for x
    x = 3,697,475,227.80/80,525.12
  6. Step 6: Final answer
    x = 45,917.04

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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.