Home / 80,893.52-111,636.28-45,083.20

Finding the Fourth Proportional to 80,893.52, 111,636.28 and 45,083.20

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Solution

The fourth proportional to 80,893.52, 111,636.28 and 45,083.20 is: 62,216.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,893.52 : 111,636.28 = 45,083.20 : x
  2. Step 2: Convert to fraction form
    80,893.52/111,636.28 = 45,083.20/x
  3. Step 3: Cross multiply
    80,893.52x = 111,636.28 × 45,083.20
  4. Step 4: Simplify right side
    80,893.52x = 5,032,920,738.50
  5. Step 5: Solve for x
    x = 5,032,920,738.50/80,893.52
  6. Step 6: Final answer
    x = 62,216.61

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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.