Home / 75,260.34-103,813.65-49,766.58

Finding the Fourth Proportional to 75,260.34, 103,813.65 and 49,766.58

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Solution

The fourth proportional to 75,260.34, 103,813.65 and 49,766.58 is: 68,647.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,260.34 : 103,813.65 = 49,766.58 : x
  2. Step 2: Convert to fraction form
    75,260.34/103,813.65 = 49,766.58/x
  3. Step 3: Cross multiply
    75,260.34x = 103,813.65 × 49,766.58
  4. Step 4: Simplify right side
    75,260.34x = 5,166,450,317.82
  5. Step 5: Solve for x
    x = 5,166,450,317.82/75,260.34
  6. Step 6: Final answer
    x = 68,647.71

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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.