Home / 77,213.22-115,836.84-43,948.95

Finding the Fourth Proportional to 77,213.22, 115,836.84 and 43,948.95

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Solution

The fourth proportional to 77,213.22, 115,836.84 and 43,948.95 is: 65,933.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,213.22 : 115,836.84 = 43,948.95 : x
  2. Step 2: Convert to fraction form
    77,213.22/115,836.84 = 43,948.95/x
  3. Step 3: Cross multiply
    77,213.22x = 115,836.84 × 43,948.95
  4. Step 4: Simplify right side
    77,213.22x = 5,090,907,489.32
  5. Step 5: Solve for x
    x = 5,090,907,489.32/77,213.22
  6. Step 6: Final answer
    x = 65,933.11

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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.