Home / 81,276.88-112,156.84-45,460.72

Finding the Fourth Proportional to 81,276.88, 112,156.84 and 45,460.72

Calculator

Solution

The fourth proportional to 81,276.88, 112,156.84 and 45,460.72 is: 62,732.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,276.88 : 112,156.84 = 45,460.72 : x
  2. Step 2: Convert to fraction form
    81,276.88/112,156.84 = 45,460.72/x
  3. Step 3: Cross multiply
    81,276.88x = 112,156.84 × 45,460.72
  4. Step 4: Simplify right side
    81,276.88x = 5,098,730,699.32
  5. Step 5: Solve for x
    x = 5,098,730,699.32/81,276.88
  6. Step 6: Final answer
    x = 62,732.85

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.