Home / 87,889.86-121,296.69-50,169.78

Finding the Fourth Proportional to 87,889.86, 121,296.69 and 50,169.78

Calculator

Solution

The fourth proportional to 87,889.86, 121,296.69 and 50,169.78 is: 69,239.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,889.86 : 121,296.69 = 50,169.78 : x
  2. Step 2: Convert to fraction form
    87,889.86/121,296.69 = 50,169.78/x
  3. Step 3: Cross multiply
    87,889.86x = 121,296.69 × 50,169.78
  4. Step 4: Simplify right side
    87,889.86x = 6,085,428,252.03
  5. Step 5: Solve for x
    x = 6,085,428,252.03/87,889.86
  6. Step 6: Final answer
    x = 69,239.25

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.