Home / 78,733.96-108,654.92-48,539.24

Finding the Fourth Proportional to 78,733.96, 108,654.92 and 48,539.24

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Solution

The fourth proportional to 78,733.96, 108,654.92 and 48,539.24 is: 66,985.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,733.96 : 108,654.92 = 48,539.24 : x
  2. Step 2: Convert to fraction form
    78,733.96/108,654.92 = 48,539.24/x
  3. Step 3: Cross multiply
    78,733.96x = 108,654.92 × 48,539.24
  4. Step 4: Simplify right side
    78,733.96x = 5,274,027,239.06
  5. Step 5: Solve for x
    x = 5,274,027,239.06/78,733.96
  6. Step 6: Final answer
    x = 66,985.42

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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.