Home / 78,987.24-109,005.04-43,176.48

Finding the Fourth Proportional to 78,987.24, 109,005.04 and 43,176.48

Calculator

Solution

The fourth proportional to 78,987.24, 109,005.04 and 43,176.48 is: 59,584.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,987.24 : 109,005.04 = 43,176.48 : x
  2. Step 2: Convert to fraction form
    78,987.24/109,005.04 = 43,176.48/x
  3. Step 3: Cross multiply
    78,987.24x = 109,005.04 × 43,176.48
  4. Step 4: Simplify right side
    78,987.24x = 4,706,453,929.46
  5. Step 5: Solve for x
    x = 4,706,453,929.46/78,987.24
  6. Step 6: Final answer
    x = 59,584.99

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.