Home / 80,933.80-121,409.52-31,056.26

Finding the Fourth Proportional to 80,933.80, 121,409.52 and 31,056.26

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Solution

The fourth proportional to 80,933.80, 121,409.52 and 31,056.26 is: 46,587.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,933.80 : 121,409.52 = 31,056.26 : x
  2. Step 2: Convert to fraction form
    80,933.80/121,409.52 = 31,056.26/x
  3. Step 3: Cross multiply
    80,933.80x = 121,409.52 × 31,056.26
  4. Step 4: Simplify right side
    80,933.80x = 3,770,525,619.60
  5. Step 5: Solve for x
    x = 3,770,525,619.60/80,933.80
  6. Step 6: Final answer
    x = 46,587.77

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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.