Home / 49,911.48-68,889.60-28,702.98

Finding the Fourth Proportional to 49,911.48, 68,889.60 and 28,702.98

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Solution

The fourth proportional to 49,911.48, 68,889.60 and 28,702.98 is: 39,616.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,911.48 : 68,889.60 = 28,702.98 : x
  2. Step 2: Convert to fraction form
    49,911.48/68,889.60 = 28,702.98/x
  3. Step 3: Cross multiply
    49,911.48x = 68,889.60 × 28,702.98
  4. Step 4: Simplify right side
    49,911.48x = 1,977,336,811.01
  5. Step 5: Solve for x
    x = 1,977,336,811.01/49,911.48
  6. Step 6: Final answer
    x = 39,616.87

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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.