Home / 81,304.26-112,204.80-45,493.50

Finding the Fourth Proportional to 81,304.26, 112,204.80 and 45,493.50

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Solution

The fourth proportional to 81,304.26, 112,204.80 and 45,493.50 is: 62,783.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,304.26 : 112,204.80 = 45,493.50 : x
  2. Step 2: Convert to fraction form
    81,304.26/112,204.80 = 45,493.50/x
  3. Step 3: Cross multiply
    81,304.26x = 112,204.80 × 45,493.50
  4. Step 4: Simplify right side
    81,304.26x = 5,104,589,489.57
  5. Step 5: Solve for x
    x = 5,104,589,489.57/81,304.26
  6. Step 6: Final answer
    x = 62,783.79

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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.