Home / 87,591.02-120,868.66-57,328.42

Finding the Fourth Proportional to 87,591.02, 120,868.66 and 57,328.42

Calculator

Solution

The fourth proportional to 87,591.02, 120,868.66 and 57,328.42 is: 79,108.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,591.02 : 120,868.66 = 57,328.42 : x
  2. Step 2: Convert to fraction form
    87,591.02/120,868.66 = 57,328.42/x
  3. Step 3: Cross multiply
    87,591.02x = 120,868.66 × 57,328.42
  4. Step 4: Simplify right side
    87,591.02x = 6,929,209,305.32
  5. Step 5: Solve for x
    x = 6,929,209,305.32/87,591.02
  6. Step 6: Final answer
    x = 79,108.67

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.