Home / 81,645.58-112,663.12-45,827.38

Finding the Fourth Proportional to 81,645.58, 112,663.12 and 45,827.38

Calculator

Solution

The fourth proportional to 81,645.58, 112,663.12 and 45,827.38 is: 63,237.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,645.58 : 112,663.12 = 45,827.38 : x
  2. Step 2: Convert to fraction form
    81,645.58/112,663.12 = 45,827.38/x
  3. Step 3: Cross multiply
    81,645.58x = 112,663.12 × 45,827.38
  4. Step 4: Simplify right side
    81,645.58x = 5,163,054,934.34
  5. Step 5: Solve for x
    x = 5,163,054,934.34/81,645.58
  6. Step 6: Final answer
    x = 63,237.41

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.