Home / 77,821.80-107,389.68-45,993.66

Finding the Fourth Proportional to 77,821.80, 107,389.68 and 45,993.66

Calculator

Solution

The fourth proportional to 77,821.80, 107,389.68 and 45,993.66 is: 63,468.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,821.80 : 107,389.68 = 45,993.66 : x
  2. Step 2: Convert to fraction form
    77,821.80/107,389.68 = 45,993.66/x
  3. Step 3: Cross multiply
    77,821.80x = 107,389.68 × 45,993.66
  4. Step 4: Simplify right side
    77,821.80x = 4,939,244,429.43
  5. Step 5: Solve for x
    x = 4,939,244,429.43/77,821.80
  6. Step 6: Final answer
    x = 63,468.65

Related Problems

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.