Home / 87,862.86-121,259.44-50,142.78

Finding the Fourth Proportional to 87,862.86, 121,259.44 and 50,142.78

Calculator

Solution

The fourth proportional to 87,862.86, 121,259.44 and 50,142.78 is: 69,202.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,862.86 : 121,259.44 = 50,142.78 : x
  2. Step 2: Convert to fraction form
    87,862.86/121,259.44 = 50,142.78/x
  3. Step 3: Cross multiply
    87,862.86x = 121,259.44 × 50,142.78
  4. Step 4: Simplify right side
    87,862.86x = 6,080,285,422.84
  5. Step 5: Solve for x
    x = 6,080,285,422.84/87,862.86
  6. Step 6: Final answer
    x = 69,202.00

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.