Home / 76,351.25-105,365.32-41,895.77

Finding the Fourth Proportional to 76,351.25, 105,365.32 and 41,895.77

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Solution

The fourth proportional to 76,351.25, 105,365.32 and 41,895.77 is: 57,816.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,351.25 : 105,365.32 = 41,895.77 : x
  2. Step 2: Convert to fraction form
    76,351.25/105,365.32 = 41,895.77/x
  3. Step 3: Cross multiply
    76,351.25x = 105,365.32 × 41,895.77
  4. Step 4: Simplify right side
    76,351.25x = 4,414,360,581.13
  5. Step 5: Solve for x
    x = 4,414,360,581.13/76,351.25
  6. Step 6: Final answer
    x = 57,816.48

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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.