Home / 87,319.13-120,500.39-47,575.13

Finding the Fourth Proportional to 87,319.13, 120,500.39 and 47,575.13

Calculator

Solution

The fourth proportional to 87,319.13, 120,500.39 and 47,575.13 is: 65,653.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,319.13 : 120,500.39 = 47,575.13 : x
  2. Step 2: Convert to fraction form
    87,319.13/120,500.39 = 47,575.13/x
  3. Step 3: Cross multiply
    87,319.13x = 120,500.39 × 47,575.13
  4. Step 4: Simplify right side
    87,319.13x = 5,732,821,235.74
  5. Step 5: Solve for x
    x = 5,732,821,235.74/87,319.13
  6. Step 6: Final answer
    x = 65,653.67

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.