Home / 68,252.10-102,341.70-28,764.60

Finding the Fourth Proportional to 68,252.10, 102,341.70 and 28,764.60

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Solution

The fourth proportional to 68,252.10, 102,341.70 and 28,764.60 is: 43,131.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,252.10 : 102,341.70 = 28,764.60 : x
  2. Step 2: Convert to fraction form
    68,252.10/102,341.70 = 28,764.60/x
  3. Step 3: Cross multiply
    68,252.10x = 102,341.70 × 28,764.60
  4. Step 4: Simplify right side
    68,252.10x = 2,943,818,063.82
  5. Step 5: Solve for x
    x = 2,943,818,063.82/68,252.10
  6. Step 6: Final answer
    x = 43,131.54

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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.