Home / 80,287.30-110,795-44,476.53

Finding the Fourth Proportional to 80,287.30, 110,795 and 44,476.53

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Solution

The fourth proportional to 80,287.30, 110,795 and 44,476.53 is: 61,376.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,287.30 : 110,795 = 44,476.53 : x
  2. Step 2: Convert to fraction form
    80,287.30/110,795 = 44,476.53/x
  3. Step 3: Cross multiply
    80,287.30x = 110,795 × 44,476.53
  4. Step 4: Simplify right side
    80,287.30x = 4,927,777,141.35
  5. Step 5: Solve for x
    x = 4,927,777,141.35/80,287.30
  6. Step 6: Final answer
    x = 61,376.79

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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.