Home / 78,856.42-108,820.15-43,047.03

Finding the Fourth Proportional to 78,856.42, 108,820.15 and 43,047.03

Calculator

Solution

The fourth proportional to 78,856.42, 108,820.15 and 43,047.03 is: 59,403.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,856.42 : 108,820.15 = 43,047.03 : x
  2. Step 2: Convert to fraction form
    78,856.42/108,820.15 = 43,047.03/x
  3. Step 3: Cross multiply
    78,856.42x = 108,820.15 × 43,047.03
  4. Step 4: Simplify right side
    78,856.42x = 4,684,384,261.65
  5. Step 5: Solve for x
    x = 4,684,384,261.65/78,856.42
  6. Step 6: Final answer
    x = 59,403.97

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.