Home / 68,234.10-102,314.70-28,746.60

Finding the Fourth Proportional to 68,234.10, 102,314.70 and 28,746.60

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Solution

The fourth proportional to 68,234.10, 102,314.70 and 28,746.60 is: 43,104.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,234.10 : 102,314.70 = 28,746.60 : x
  2. Step 2: Convert to fraction form
    68,234.10/102,314.70 = 28,746.60/x
  3. Step 3: Cross multiply
    68,234.10x = 102,314.70 × 28,746.60
  4. Step 4: Simplify right side
    68,234.10x = 2,941,199,755.02
  5. Step 5: Solve for x
    x = 2,941,199,755.02/68,234.10
  6. Step 6: Final answer
    x = 43,104.54

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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.