Home / 87,423.46-131,135.17-28,259.13

Finding the Fourth Proportional to 87,423.46, 131,135.17 and 28,259.13

Calculator

Solution

The fourth proportional to 87,423.46, 131,135.17 and 28,259.13 is: 42,388.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,423.46 : 131,135.17 = 28,259.13 : x
  2. Step 2: Convert to fraction form
    87,423.46/131,135.17 = 28,259.13/x
  3. Step 3: Cross multiply
    87,423.46x = 131,135.17 × 28,259.13
  4. Step 4: Simplify right side
    87,423.46x = 3,705,765,816.60
  5. Step 5: Solve for x
    x = 3,705,765,816.60/87,423.46
  6. Step 6: Final answer
    x = 42,388.69

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.