Home / 68,074.02-102,035.36-51,379.92

Finding the Fourth Proportional to 68,074.02, 102,035.36 and 51,379.92

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Solution

The fourth proportional to 68,074.02, 102,035.36 and 51,379.92 is: 77,012.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,074.02 : 102,035.36 = 51,379.92 : x
  2. Step 2: Convert to fraction form
    68,074.02/102,035.36 = 51,379.92/x
  3. Step 3: Cross multiply
    68,074.02x = 102,035.36 × 51,379.92
  4. Step 4: Simplify right side
    68,074.02x = 5,242,568,633.97
  5. Step 5: Solve for x
    x = 5,242,568,633.97/68,074.02
  6. Step 6: Final answer
    x = 77,012.77

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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.