Home / 78,872.86-117,949.93-58,896.38

Finding the Fourth Proportional to 78,872.86, 117,949.93 and 58,896.38

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Solution

The fourth proportional to 78,872.86, 117,949.93 and 58,896.38 is: 88,076.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,872.86 : 117,949.93 = 58,896.38 : x
  2. Step 2: Convert to fraction form
    78,872.86/117,949.93 = 58,896.38/x
  3. Step 3: Cross multiply
    78,872.86x = 117,949.93 × 58,896.38
  4. Step 4: Simplify right side
    78,872.86x = 6,946,823,898.25
  5. Step 5: Solve for x
    x = 6,946,823,898.25/78,872.86
  6. Step 6: Final answer
    x = 88,076.23

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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.