Home / 78,964.84-108,971.76-43,154.84

Finding the Fourth Proportional to 78,964.84, 108,971.76 and 43,154.84

Calculator

Solution

The fourth proportional to 78,964.84, 108,971.76 and 43,154.84 is: 59,553.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,964.84 : 108,971.76 = 43,154.84 : x
  2. Step 2: Convert to fraction form
    78,964.84/108,971.76 = 43,154.84/x
  3. Step 3: Cross multiply
    78,964.84x = 108,971.76 × 43,154.84
  4. Step 4: Simplify right side
    78,964.84x = 4,702,658,867.32
  5. Step 5: Solve for x
    x = 4,702,658,867.32/78,964.84
  6. Step 6: Final answer
    x = 59,553.83

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.