Home / 78,601.97-108,472.97-42,792.57

Finding the Fourth Proportional to 78,601.97, 108,472.97 and 42,792.57

Calculator

Solution

The fourth proportional to 78,601.97, 108,472.97 and 42,792.57 is: 59,054.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,601.97 : 108,472.97 = 42,792.57 : x
  2. Step 2: Convert to fraction form
    78,601.97/108,472.97 = 42,792.57/x
  3. Step 3: Cross multiply
    78,601.97x = 108,472.97 × 42,792.57
  4. Step 4: Simplify right side
    78,601.97x = 4,641,836,947.87
  5. Step 5: Solve for x
    x = 4,641,836,947.87/78,601.97
  6. Step 6: Final answer
    x = 59,054.97

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.