Home / 74,286.47-102,505.15-42,025.48

Finding the Fourth Proportional to 74,286.47, 102,505.15 and 42,025.48

Calculator

Solution

The fourth proportional to 74,286.47, 102,505.15 and 42,025.48 is: 57,989.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,286.47 : 102,505.15 = 42,025.48 : x
  2. Step 2: Convert to fraction form
    74,286.47/102,505.15 = 42,025.48/x
  3. Step 3: Cross multiply
    74,286.47x = 102,505.15 × 42,025.48
  4. Step 4: Simplify right side
    74,286.47x = 4,307,828,267.69
  5. Step 5: Solve for x
    x = 4,307,828,267.69/74,286.47
  6. Step 6: Final answer
    x = 57,989.41

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.