Home / 78,495.52-108,323.04-42,684.88

Finding the Fourth Proportional to 78,495.52, 108,323.04 and 42,684.88

Calculator

Solution

The fourth proportional to 78,495.52, 108,323.04 and 42,684.88 is: 58,904.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,495.52 : 108,323.04 = 42,684.88 : x
  2. Step 2: Convert to fraction form
    78,495.52/108,323.04 = 42,684.88/x
  3. Step 3: Cross multiply
    78,495.52x = 108,323.04 × 42,684.88
  4. Step 4: Simplify right side
    78,495.52x = 4,623,755,963.64
  5. Step 5: Solve for x
    x = 4,623,755,963.64/78,495.52
  6. Step 6: Final answer
    x = 58,904.71

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.