Home / 78,277.25-108,022.61-44,285.06

Finding the Fourth Proportional to 78,277.25, 108,022.61 and 44,285.06

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Solution

The fourth proportional to 78,277.25, 108,022.61 and 44,285.06 is: 61,113.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,277.25 : 108,022.61 = 44,285.06 : x
  2. Step 2: Convert to fraction form
    78,277.25/108,022.61 = 44,285.06/x
  3. Step 3: Cross multiply
    78,277.25x = 108,022.61 × 44,285.06
  4. Step 4: Simplify right side
    78,277.25x = 4,783,787,765.21
  5. Step 5: Solve for x
    x = 4,783,787,765.21/78,277.25
  6. Step 6: Final answer
    x = 61,113.39

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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.