Home / 75,721.06-113,509.26-28,323.30

Finding the Fourth Proportional to 75,721.06, 113,509.26 and 28,323.30

Calculator

Solution

The fourth proportional to 75,721.06, 113,509.26 and 28,323.30 is: 42,457.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,721.06 : 113,509.26 = 28,323.30 : x
  2. Step 2: Convert to fraction form
    75,721.06/113,509.26 = 28,323.30/x
  3. Step 3: Cross multiply
    75,721.06x = 113,509.26 × 28,323.30
  4. Step 4: Simplify right side
    75,721.06x = 3,214,956,823.76
  5. Step 5: Solve for x
    x = 3,214,956,823.76/75,721.06
  6. Step 6: Final answer
    x = 42,457.90

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.