Home / 103,464.92-155,112.75-53,559.25

Finding the Fourth Proportional to 103,464.92, 155,112.75 and 53,559.25

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Solution

The fourth proportional to 103,464.92, 155,112.75 and 53,559.25 is: 80,295.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,464.92 : 155,112.75 = 53,559.25 : x
  2. Step 2: Convert to fraction form
    103,464.92/155,112.75 = 53,559.25/x
  3. Step 3: Cross multiply
    103,464.92x = 155,112.75 × 53,559.25
  4. Step 4: Simplify right side
    103,464.92x = 8,307,722,453.27
  5. Step 5: Solve for x
    x = 8,307,722,453.27/103,464.92
  6. Step 6: Final answer
    x = 80,295.07

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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.