Home / 79,561.47-109,776.15-47,740.62

Finding the Fourth Proportional to 79,561.47, 109,776.15 and 47,740.62

Calculator

Solution

The fourth proportional to 79,561.47, 109,776.15 and 47,740.62 is: 65,870.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,561.47 : 109,776.15 = 47,740.62 : x
  2. Step 2: Convert to fraction form
    79,561.47/109,776.15 = 47,740.62/x
  3. Step 3: Cross multiply
    79,561.47x = 109,776.15 × 47,740.62
  4. Step 4: Simplify right side
    79,561.47x = 5,240,781,462.21
  5. Step 5: Solve for x
    x = 5,240,781,462.21/79,561.47
  6. Step 6: Final answer
    x = 65,870.85

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.