Home / 76,446.94-105,500.28-42,455.58

Finding the Fourth Proportional to 76,446.94, 105,500.28 and 42,455.58

Calculator

Solution

The fourth proportional to 76,446.94, 105,500.28 and 42,455.58 is: 58,590.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,446.94 : 105,500.28 = 42,455.58 : x
  2. Step 2: Convert to fraction form
    76,446.94/105,500.28 = 42,455.58/x
  3. Step 3: Cross multiply
    76,446.94x = 105,500.28 × 42,455.58
  4. Step 4: Simplify right side
    76,446.94x = 4,479,076,132.40
  5. Step 5: Solve for x
    x = 4,479,076,132.40/76,446.94
  6. Step 6: Final answer
    x = 58,590.65

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.