Home / 78,046.72-107,697.68-45,787.84

Finding the Fourth Proportional to 78,046.72, 107,697.68 and 45,787.84

Calculator

Solution

The fourth proportional to 78,046.72, 107,697.68 and 45,787.84 is: 63,183.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,046.72 : 107,697.68 = 45,787.84 : x
  2. Step 2: Convert to fraction form
    78,046.72/107,697.68 = 45,787.84/x
  3. Step 3: Cross multiply
    78,046.72x = 107,697.68 × 45,787.84
  4. Step 4: Simplify right side
    78,046.72x = 4,931,244,140.21
  5. Step 5: Solve for x
    x = 4,931,244,140.21/78,046.72
  6. Step 6: Final answer
    x = 63,183.23

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.