Home / 68,849.84-103,279.74-28,828.56

Finding the Fourth Proportional to 68,849.84, 103,279.74 and 28,828.56

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Solution

The fourth proportional to 68,849.84, 103,279.74 and 28,828.56 is: 43,244.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,849.84 : 103,279.74 = 28,828.56 : x
  2. Step 2: Convert to fraction form
    68,849.84/103,279.74 = 28,828.56/x
  3. Step 3: Cross multiply
    68,849.84x = 103,279.74 × 28,828.56
  4. Step 4: Simplify right side
    68,849.84x = 2,977,406,181.37
  5. Step 5: Solve for x
    x = 2,977,406,181.37/68,849.84
  6. Step 6: Final answer
    x = 43,244.93

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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.