Home / 78,076.68-107,743.39-44,084.62

Finding the Fourth Proportional to 78,076.68, 107,743.39 and 44,084.62

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Solution

The fourth proportional to 78,076.68, 107,743.39 and 44,084.62 is: 60,835.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,076.68 : 107,743.39 = 44,084.62 : x
  2. Step 2: Convert to fraction form
    78,076.68/107,743.39 = 44,084.62/x
  3. Step 3: Cross multiply
    78,076.68x = 107,743.39 × 44,084.62
  4. Step 4: Simplify right side
    78,076.68x = 4,749,826,405.66
  5. Step 5: Solve for x
    x = 4,749,826,405.66/78,076.68
  6. Step 6: Final answer
    x = 60,835.40

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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.