Home / 76,650.12-105,747.78-56,554.92

Finding the Fourth Proportional to 76,650.12, 105,747.78 and 56,554.92

Calculator

Solution

The fourth proportional to 76,650.12, 105,747.78 and 56,554.92 is: 78,024.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,650.12 : 105,747.78 = 56,554.92 : x
  2. Step 2: Convert to fraction form
    76,650.12/105,747.78 = 56,554.92/x
  3. Step 3: Cross multiply
    76,650.12x = 105,747.78 × 56,554.92
  4. Step 4: Simplify right side
    76,650.12x = 5,980,557,238.08
  5. Step 5: Solve for x
    x = 5,980,557,238.08/76,650.12
  6. Step 6: Final answer
    x = 78,024.11

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.