Home / 102,193.44-141,029.64-56,874.48

Finding the Fourth Proportional to 102,193.44, 141,029.64 and 56,874.48

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Solution

The fourth proportional to 102,193.44, 141,029.64 and 56,874.48 is: 78,488.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,193.44 : 141,029.64 = 56,874.48 : x
  2. Step 2: Convert to fraction form
    102,193.44/141,029.64 = 56,874.48/x
  3. Step 3: Cross multiply
    102,193.44x = 141,029.64 × 56,874.48
  4. Step 4: Simplify right side
    102,193.44x = 8,020,987,439.59
  5. Step 5: Solve for x
    x = 8,020,987,439.59/102,193.44
  6. Step 6: Final answer
    x = 78,488.28

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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.