Home / 78,059.04-107,721.76-42,249.52

Finding the Fourth Proportional to 78,059.04, 107,721.76 and 42,249.52

Calculator

Solution

The fourth proportional to 78,059.04, 107,721.76 and 42,249.52 is: 58,304.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,059.04 : 107,721.76 = 42,249.52 : x
  2. Step 2: Convert to fraction form
    78,059.04/107,721.76 = 42,249.52/x
  3. Step 3: Cross multiply
    78,059.04x = 107,721.76 × 42,249.52
  4. Step 4: Simplify right side
    78,059.04x = 4,551,192,653.56
  5. Step 5: Solve for x
    x = 4,551,192,653.56/78,059.04
  6. Step 6: Final answer
    x = 58,304.49

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.