Home / 72,047.20-107,973.60-51,246.40

Finding the Fourth Proportional to 72,047.20, 107,973.60 and 51,246.40

Calculator

Solution

The fourth proportional to 72,047.20, 107,973.60 and 51,246.40 is: 76,800.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,047.20 : 107,973.60 = 51,246.40 : x
  2. Step 2: Convert to fraction form
    72,047.20/107,973.60 = 51,246.40/x
  3. Step 3: Cross multiply
    72,047.20x = 107,973.60 × 51,246.40
  4. Step 4: Simplify right side
    72,047.20x = 5,533,258,295.04
  5. Step 5: Solve for x
    x = 5,533,258,295.04/72,047.20
  6. Step 6: Final answer
    x = 76,800.46

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.