Home / 78,744.92-108,665.62-42,935.63

Finding the Fourth Proportional to 78,744.92, 108,665.62 and 42,935.63

Calculator

Solution

The fourth proportional to 78,744.92, 108,665.62 and 42,935.63 is: 59,249.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,744.92 : 108,665.62 = 42,935.63 : x
  2. Step 2: Convert to fraction form
    78,744.92/108,665.62 = 42,935.63/x
  3. Step 3: Cross multiply
    78,744.92x = 108,665.62 × 42,935.63
  4. Step 4: Simplify right side
    78,744.92x = 4,665,626,203.37
  5. Step 5: Solve for x
    x = 4,665,626,203.37/78,744.92
  6. Step 6: Final answer
    x = 59,249.87

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.