Home / 78,741.91-108,666.12-42,932.62

Finding the Fourth Proportional to 78,741.91, 108,666.12 and 42,932.62

Calculator

Solution

The fourth proportional to 78,741.91, 108,666.12 and 42,932.62 is: 59,248.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,741.91 : 108,666.12 = 42,932.62 : x
  2. Step 2: Convert to fraction form
    78,741.91/108,666.12 = 42,932.62/x
  3. Step 3: Cross multiply
    78,741.91x = 108,666.12 × 42,932.62
  4. Step 4: Simplify right side
    78,741.91x = 4,665,321,236.83
  5. Step 5: Solve for x
    x = 4,665,321,236.83/78,741.91
  6. Step 6: Final answer
    x = 59,248.26

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.