Home / 76,035.84-113,974.62-28,618.36

Finding the Fourth Proportional to 76,035.84, 113,974.62 and 28,618.36

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Solution

The fourth proportional to 76,035.84, 113,974.62 and 28,618.36 is: 42,897.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,035.84 : 113,974.62 = 28,618.36 : x
  2. Step 2: Convert to fraction form
    76,035.84/113,974.62 = 28,618.36/x
  3. Step 3: Cross multiply
    76,035.84x = 113,974.62 × 28,618.36
  4. Step 4: Simplify right side
    76,035.84x = 3,261,766,706.02
  5. Step 5: Solve for x
    x = 3,261,766,706.02/76,035.84
  6. Step 6: Final answer
    x = 42,897.75

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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.