Home / 87,798.74-121,161.79-47,512.47

Finding the Fourth Proportional to 87,798.74, 121,161.79 and 47,512.47

Calculator

Solution

The fourth proportional to 87,798.74, 121,161.79 and 47,512.47 is: 65,566.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,798.74 : 121,161.79 = 47,512.47 : x
  2. Step 2: Convert to fraction form
    87,798.74/121,161.79 = 47,512.47/x
  3. Step 3: Cross multiply
    87,798.74x = 121,161.79 × 47,512.47
  4. Step 4: Simplify right side
    87,798.74x = 5,756,696,426.27
  5. Step 5: Solve for x
    x = 5,756,696,426.27/87,798.74
  6. Step 6: Final answer
    x = 65,566.96

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.