Home / 72,495.65-100,043.80-40,235.14

Finding the Fourth Proportional to 72,495.65, 100,043.80 and 40,235.14

Calculator

Solution

The fourth proportional to 72,495.65, 100,043.80 and 40,235.14 is: 55,524.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,495.65 : 100,043.80 = 40,235.14 : x
  2. Step 2: Convert to fraction form
    72,495.65/100,043.80 = 40,235.14/x
  3. Step 3: Cross multiply
    72,495.65x = 100,043.80 × 40,235.14
  4. Step 4: Simplify right side
    72,495.65x = 4,025,276,323.60
  5. Step 5: Solve for x
    x = 4,025,276,323.60/72,495.65
  6. Step 6: Final answer
    x = 55,524.38

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.