Home / 70,815.75-97,703.68-40,183.77

Finding the Fourth Proportional to 70,815.75, 97,703.68 and 40,183.77

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Solution

The fourth proportional to 70,815.75, 97,703.68 and 40,183.77 is: 55,441.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,815.75 : 97,703.68 = 40,183.77 : x
  2. Step 2: Convert to fraction form
    70,815.75/97,703.68 = 40,183.77/x
  3. Step 3: Cross multiply
    70,815.75x = 97,703.68 × 40,183.77
  4. Step 4: Simplify right side
    70,815.75x = 3,926,102,205.27
  5. Step 5: Solve for x
    x = 3,926,102,205.27/70,815.75
  6. Step 6: Final answer
    x = 55,441.09

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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.