Home / 215,829.84-323,705.52-58,021.44

Finding the Fourth Proportional to 215,829.84, 323,705.52 and 58,021.44

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Solution

The fourth proportional to 215,829.84, 323,705.52 and 58,021.44 is: 87,021.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,829.84 : 323,705.52 = 58,021.44 : x
  2. Step 2: Convert to fraction form
    215,829.84/323,705.52 = 58,021.44/x
  3. Step 3: Cross multiply
    215,829.84x = 323,705.52 × 58,021.44
  4. Step 4: Simplify right side
    215,829.84x = 18,781,860,406.35
  5. Step 5: Solve for x
    x = 18,781,860,406.35/215,829.84
  6. Step 6: Final answer
    x = 87,021.61

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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.