Home / 84,531.60-116,688.60-54,318.60

Finding the Fourth Proportional to 84,531.60, 116,688.60 and 54,318.60

Calculator

Solution

The fourth proportional to 84,531.60, 116,688.60 and 54,318.60 is: 74,982.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,531.60 : 116,688.60 = 54,318.60 : x
  2. Step 2: Convert to fraction form
    84,531.60/116,688.60 = 54,318.60/x
  3. Step 3: Cross multiply
    84,531.60x = 116,688.60 × 54,318.60
  4. Step 4: Simplify right side
    84,531.60x = 6,338,361,387.96
  5. Step 5: Solve for x
    x = 6,338,361,387.96/84,531.60
  6. Step 6: Final answer
    x = 74,982.15

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.