Home / 72,695.80-100,230.78-59,217.40

Finding the Fourth Proportional to 72,695.80, 100,230.78 and 59,217.40

Calculator

Solution

The fourth proportional to 72,695.80, 100,230.78 and 59,217.40 is: 81,647.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,695.80 : 100,230.78 = 59,217.40 : x
  2. Step 2: Convert to fraction form
    72,695.80/100,230.78 = 59,217.40/x
  3. Step 3: Cross multiply
    72,695.80x = 100,230.78 × 59,217.40
  4. Step 4: Simplify right side
    72,695.80x = 5,935,406,191.57
  5. Step 5: Solve for x
    x = 5,935,406,191.57/72,695.80
  6. Step 6: Final answer
    x = 81,647.17

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.