Home / 80,184.12-120,334.50-35,860.92

Finding the Fourth Proportional to 80,184.12, 120,334.50 and 35,860.92

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Solution

The fourth proportional to 80,184.12, 120,334.50 and 35,860.92 is: 53,817.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,184.12 : 120,334.50 = 35,860.92 : x
  2. Step 2: Convert to fraction form
    80,184.12/120,334.50 = 35,860.92/x
  3. Step 3: Cross multiply
    80,184.12x = 120,334.50 × 35,860.92
  4. Step 4: Simplify right side
    80,184.12x = 4,315,305,877.74
  5. Step 5: Solve for x
    x = 4,315,305,877.74/80,184.12
  6. Step 6: Final answer
    x = 53,817.46

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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.