Home / 68,223.60-102,346.33-28,786.52

Finding the Fourth Proportional to 68,223.60, 102,346.33 and 28,786.52

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Solution

The fourth proportional to 68,223.60, 102,346.33 and 28,786.52 is: 43,184.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,223.60 : 102,346.33 = 28,786.52 : x
  2. Step 2: Convert to fraction form
    68,223.60/102,346.33 = 28,786.52/x
  3. Step 3: Cross multiply
    68,223.60x = 102,346.33 × 28,786.52
  4. Step 4: Simplify right side
    68,223.60x = 2,946,194,675.47
  5. Step 5: Solve for x
    x = 2,946,194,675.47/68,223.60
  6. Step 6: Final answer
    x = 43,184.39

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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.