Home / 77,851.72-107,435.70-43,860.61

Finding the Fourth Proportional to 77,851.72, 107,435.70 and 43,860.61

Calculator

Solution

The fourth proportional to 77,851.72, 107,435.70 and 43,860.61 is: 60,527.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,851.72 : 107,435.70 = 43,860.61 : x
  2. Step 2: Convert to fraction form
    77,851.72/107,435.70 = 43,860.61/x
  3. Step 3: Cross multiply
    77,851.72x = 107,435.70 × 43,860.61
  4. Step 4: Simplify right side
    77,851.72x = 4,712,195,337.78
  5. Step 5: Solve for x
    x = 4,712,195,337.78/77,851.72
  6. Step 6: Final answer
    x = 60,527.83

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.