Home / 97,020.12-133,887.54-54,578.64

Finding the Fourth Proportional to 97,020.12, 133,887.54 and 54,578.64

Calculator

Solution

The fourth proportional to 97,020.12, 133,887.54 and 54,578.64 is: 75,318.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,020.12 : 133,887.54 = 54,578.64 : x
  2. Step 2: Convert to fraction form
    97,020.12/133,887.54 = 54,578.64/x
  3. Step 3: Cross multiply
    97,020.12x = 133,887.54 × 54,578.64
  4. Step 4: Simplify right side
    97,020.12x = 7,307,399,846.15
  5. Step 5: Solve for x
    x = 7,307,399,846.15/97,020.12
  6. Step 6: Final answer
    x = 75,318.40

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.