Home / 87,254.65-120,408.32-53,319.92

Finding the Fourth Proportional to 87,254.65, 120,408.32 and 53,319.92

Calculator

Solution

The fourth proportional to 87,254.65, 120,408.32 and 53,319.92 is: 73,579.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,254.65 : 120,408.32 = 53,319.92 : x
  2. Step 2: Convert to fraction form
    87,254.65/120,408.32 = 53,319.92/x
  3. Step 3: Cross multiply
    87,254.65x = 120,408.32 × 53,319.92
  4. Step 4: Simplify right side
    87,254.65x = 6,420,161,989.73
  5. Step 5: Solve for x
    x = 6,420,161,989.73/87,254.65
  6. Step 6: Final answer
    x = 73,579.60

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.