Home / 79,696.98-109,978.29-45,681.09

Finding the Fourth Proportional to 79,696.98, 109,978.29 and 45,681.09

Calculator

Solution

The fourth proportional to 79,696.98, 109,978.29 and 45,681.09 is: 63,037.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,696.98 : 109,978.29 = 45,681.09 : x
  2. Step 2: Convert to fraction form
    79,696.98/109,978.29 = 45,681.09/x
  3. Step 3: Cross multiply
    79,696.98x = 109,978.29 × 45,681.09
  4. Step 4: Simplify right side
    79,696.98x = 5,023,928,163.54
  5. Step 5: Solve for x
    x = 5,023,928,163.54/79,696.98
  6. Step 6: Final answer
    x = 63,037.87

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.