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Finding the Fourth Proportional to 67,879.92, 93,670.02 and 41,006.52

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Solution

The fourth proportional to 67,879.92, 93,670.02 and 41,006.52 is: 56,586.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,879.92 : 93,670.02 = 41,006.52 : x
  2. Step 2: Convert to fraction form
    67,879.92/93,670.02 = 41,006.52/x
  3. Step 3: Cross multiply
    67,879.92x = 93,670.02 × 41,006.52
  4. Step 4: Simplify right side
    67,879.92x = 3,841,081,548.53
  5. Step 5: Solve for x
    x = 3,841,081,548.53/67,879.92
  6. Step 6: Final answer
    x = 56,586.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.