Home / 81,752.40-112,811.34-45,939.60

Finding the Fourth Proportional to 81,752.40, 112,811.34 and 45,939.60

Calculator

Solution

The fourth proportional to 81,752.40, 112,811.34 and 45,939.60 is: 63,392.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,752.40 : 112,811.34 = 45,939.60 : x
  2. Step 2: Convert to fraction form
    81,752.40/112,811.34 = 45,939.60/x
  3. Step 3: Cross multiply
    81,752.40x = 112,811.34 × 45,939.60
  4. Step 4: Simplify right side
    81,752.40x = 5,182,507,835.06
  5. Step 5: Solve for x
    x = 5,182,507,835.06/81,752.40
  6. Step 6: Final answer
    x = 63,392.73

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.