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Finding the Fourth Proportional to 63,181.86, 94,693.19 and 55,265.54

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Solution

The fourth proportional to 63,181.86, 94,693.19 and 55,265.54 is: 82,828.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,181.86 : 94,693.19 = 55,265.54 : x
  2. Step 2: Convert to fraction form
    63,181.86/94,693.19 = 55,265.54/x
  3. Step 3: Cross multiply
    63,181.86x = 94,693.19 × 55,265.54
  4. Step 4: Simplify right side
    63,181.86x = 5,233,270,279.67
  5. Step 5: Solve for x
    x = 5,233,270,279.67/63,181.86
  6. Step 6: Final answer
    x = 82,828.68

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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.