Home / 87,946.30-121,358.67-49,709.11

Finding the Fourth Proportional to 87,946.30, 121,358.67 and 49,709.11

Calculator

Solution

The fourth proportional to 87,946.30, 121,358.67 and 49,709.11 is: 68,594.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,946.30 : 121,358.67 = 49,709.11 : x
  2. Step 2: Convert to fraction form
    87,946.30/121,358.67 = 49,709.11/x
  3. Step 3: Cross multiply
    87,946.30x = 121,358.67 × 49,709.11
  4. Step 4: Simplify right side
    87,946.30x = 6,032,631,476.48
  5. Step 5: Solve for x
    x = 6,032,631,476.48/87,946.30
  6. Step 6: Final answer
    x = 68,594.49

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.