Home / 68,269.26-102,412.08-64,536.78

Finding the Fourth Proportional to 68,269.26, 102,412.08 and 64,536.78

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Solution

The fourth proportional to 68,269.26, 102,412.08 and 64,536.78 is: 96,812.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,269.26 : 102,412.08 = 64,536.78 : x
  2. Step 2: Convert to fraction form
    68,269.26/102,412.08 = 64,536.78/x
  3. Step 3: Cross multiply
    68,269.26x = 102,412.08 × 64,536.78
  4. Step 4: Simplify right side
    68,269.26x = 6,609,345,876.30
  5. Step 5: Solve for x
    x = 6,609,345,876.30/68,269.26
  6. Step 6: Final answer
    x = 96,812.91

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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.