Home / 78,304.53-108,060.32-42,494.54

Finding the Fourth Proportional to 78,304.53, 108,060.32 and 42,494.54

Calculator

Solution

The fourth proportional to 78,304.53, 108,060.32 and 42,494.54 is: 58,642.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,304.53 : 108,060.32 = 42,494.54 : x
  2. Step 2: Convert to fraction form
    78,304.53/108,060.32 = 42,494.54/x
  3. Step 3: Cross multiply
    78,304.53x = 108,060.32 × 42,494.54
  4. Step 4: Simplify right side
    78,304.53x = 4,591,973,590.65
  5. Step 5: Solve for x
    x = 4,591,973,590.65/78,304.53
  6. Step 6: Final answer
    x = 58,642.50

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.