Home / 49,628.70-74,443.05-47,879.10

Finding the Fourth Proportional to 49,628.70, 74,443.05 and 47,879.10

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Solution

The fourth proportional to 49,628.70, 74,443.05 and 47,879.10 is: 71,818.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,628.70 : 74,443.05 = 47,879.10 : x
  2. Step 2: Convert to fraction form
    49,628.70/74,443.05 = 47,879.10/x
  3. Step 3: Cross multiply
    49,628.70x = 74,443.05 × 47,879.10
  4. Step 4: Simplify right side
    49,628.70x = 3,564,266,235.26
  5. Step 5: Solve for x
    x = 3,564,266,235.26/49,628.70
  6. Step 6: Final answer
    x = 71,818.65

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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.