Home / 90,750.93-125,239.32-49,916.78

Finding the Fourth Proportional to 90,750.93, 125,239.32 and 49,916.78

Calculator

Solution

The fourth proportional to 90,750.93, 125,239.32 and 49,916.78 is: 68,886.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,750.93 : 125,239.32 = 49,916.78 : x
  2. Step 2: Convert to fraction form
    90,750.93/125,239.32 = 49,916.78/x
  3. Step 3: Cross multiply
    90,750.93x = 125,239.32 × 49,916.78
  4. Step 4: Simplify right side
    90,750.93x = 6,251,542,957.59
  5. Step 5: Solve for x
    x = 6,251,542,957.59/90,750.93
  6. Step 6: Final answer
    x = 68,886.82

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.