Home / 89,424-133,931.88-42,709.68

Finding the Fourth Proportional to 89,424, 133,931.88 and 42,709.68

Calculator

Solution

The fourth proportional to 89,424, 133,931.88 and 42,709.68 is: 63,967.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,424 : 133,931.88 = 42,709.68 : x
  2. Step 2: Convert to fraction form
    89,424/133,931.88 = 42,709.68/x
  3. Step 3: Cross multiply
    89,424x = 133,931.88 × 42,709.68
  4. Step 4: Simplify right side
    89,424x = 5,720,187,736.60
  5. Step 5: Solve for x
    x = 5,720,187,736.60/89,424
  6. Step 6: Final answer
    x = 63,967.03

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.