Home / 49,787.70-74,681.56-28,996.62

Finding the Fourth Proportional to 49,787.70, 74,681.56 and 28,996.62

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Solution

The fourth proportional to 49,787.70, 74,681.56 and 28,996.62 is: 43,494.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,787.70 : 74,681.56 = 28,996.62 : x
  2. Step 2: Convert to fraction form
    49,787.70/74,681.56 = 28,996.62/x
  3. Step 3: Cross multiply
    49,787.70x = 74,681.56 × 28,996.62
  4. Step 4: Simplify right side
    49,787.70x = 2,165,512,816.33
  5. Step 5: Solve for x
    x = 2,165,512,816.33/49,787.70
  6. Step 6: Final answer
    x = 43,494.94

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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.