Home / 49,359.06-68,114.82-28,138.68

Finding the Fourth Proportional to 49,359.06, 68,114.82 and 28,138.68

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Solution

The fourth proportional to 49,359.06, 68,114.82 and 28,138.68 is: 38,830.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,359.06 : 68,114.82 = 28,138.68 : x
  2. Step 2: Convert to fraction form
    49,359.06/68,114.82 = 28,138.68/x
  3. Step 3: Cross multiply
    49,359.06x = 68,114.82 × 28,138.68
  4. Step 4: Simplify right side
    49,359.06x = 1,916,661,123.24
  5. Step 5: Solve for x
    x = 1,916,661,123.24/49,359.06
  6. Step 6: Final answer
    x = 38,830.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.