Home / 68,084.22-102,129.58-21,337.50

Finding the Fourth Proportional to 68,084.22, 102,129.58 and 21,337.50

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Solution

The fourth proportional to 68,084.22, 102,129.58 and 21,337.50 is: 32,007.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,084.22 : 102,129.58 = 21,337.50 : x
  2. Step 2: Convert to fraction form
    68,084.22/102,129.58 = 21,337.50/x
  3. Step 3: Cross multiply
    68,084.22x = 102,129.58 × 21,337.50
  4. Step 4: Simplify right side
    68,084.22x = 2,179,189,913.25
  5. Step 5: Solve for x
    x = 2,179,189,913.25/68,084.22
  6. Step 6: Final answer
    x = 32,007.27

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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.