Home / 72,986.46-109,470.26-23,071.60

Finding the Fourth Proportional to 72,986.46, 109,470.26 and 23,071.60

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Solution

The fourth proportional to 72,986.46, 109,470.26 and 23,071.60 is: 34,604.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,986.46 : 109,470.26 = 23,071.60 : x
  2. Step 2: Convert to fraction form
    72,986.46/109,470.26 = 23,071.60/x
  3. Step 3: Cross multiply
    72,986.46x = 109,470.26 × 23,071.60
  4. Step 4: Simplify right side
    72,986.46x = 2,525,654,050.62
  5. Step 5: Solve for x
    x = 2,525,654,050.62/72,986.46
  6. Step 6: Final answer
    x = 34,604.42

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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.