Home / 72,574.61-108,868.79-28,204.79

Finding the Fourth Proportional to 72,574.61, 108,868.79 and 28,204.79

Calculator

Solution

The fourth proportional to 72,574.61, 108,868.79 and 28,204.79 is: 42,309.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,574.61 : 108,868.79 = 28,204.79 : x
  2. Step 2: Convert to fraction form
    72,574.61/108,868.79 = 28,204.79/x
  3. Step 3: Cross multiply
    72,574.61x = 108,868.79 × 28,204.79
  4. Step 4: Simplify right side
    72,574.61x = 3,070,620,885.67
  5. Step 5: Solve for x
    x = 3,070,620,885.67/72,574.61
  6. Step 6: Final answer
    x = 42,309.85

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.