Home / 87,270.32-120,429.62-53,335.64

Finding the Fourth Proportional to 87,270.32, 120,429.62 and 53,335.64

Calculator

Solution

The fourth proportional to 87,270.32, 120,429.62 and 53,335.64 is: 73,601.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,270.32 : 120,429.62 = 53,335.64 : x
  2. Step 2: Convert to fraction form
    87,270.32/120,429.62 = 53,335.64/x
  3. Step 3: Cross multiply
    87,270.32x = 120,429.62 × 53,335.64
  4. Step 4: Simplify right side
    87,270.32x = 6,423,190,857.66
  5. Step 5: Solve for x
    x = 6,423,190,857.66/87,270.32
  6. Step 6: Final answer
    x = 73,601.09

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.