Home / 49,876.76-74,849.02-20,299.97

Finding the Fourth Proportional to 49,876.76, 74,849.02 and 20,299.97

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Solution

The fourth proportional to 49,876.76, 74,849.02 and 20,299.97 is: 30,463.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,876.76 : 74,849.02 = 20,299.97 : x
  2. Step 2: Convert to fraction form
    49,876.76/74,849.02 = 20,299.97/x
  3. Step 3: Cross multiply
    49,876.76x = 74,849.02 × 20,299.97
  4. Step 4: Simplify right side
    49,876.76x = 1,519,432,860.53
  5. Step 5: Solve for x
    x = 1,519,432,860.53/49,876.76
  6. Step 6: Final answer
    x = 30,463.74

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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.