Home / 72,014.94-99,380.54-40,183.85

Finding the Fourth Proportional to 72,014.94, 99,380.54 and 40,183.85

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Solution

The fourth proportional to 72,014.94, 99,380.54 and 40,183.85 is: 55,453.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,014.94 : 99,380.54 = 40,183.85 : x
  2. Step 2: Convert to fraction form
    72,014.94/99,380.54 = 40,183.85/x
  3. Step 3: Cross multiply
    72,014.94x = 99,380.54 × 40,183.85
  4. Step 4: Simplify right side
    72,014.94x = 3,993,492,315.84
  5. Step 5: Solve for x
    x = 3,993,492,315.84/72,014.94
  6. Step 6: Final answer
    x = 55,453.66

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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.