Home / 80,562.74-120,885.04-36,180.42

Finding the Fourth Proportional to 80,562.74, 120,885.04 and 36,180.42

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Solution

The fourth proportional to 80,562.74, 120,885.04 and 36,180.42 is: 54,289.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,562.74 : 120,885.04 = 36,180.42 : x
  2. Step 2: Convert to fraction form
    80,562.74/120,885.04 = 36,180.42/x
  3. Step 3: Cross multiply
    80,562.74x = 120,885.04 × 36,180.42
  4. Step 4: Simplify right side
    80,562.74x = 4,373,671,518.92
  5. Step 5: Solve for x
    x = 4,373,671,518.92/80,562.74
  6. Step 6: Final answer
    x = 54,289.01

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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.