Home / 76,908.16-106,132.96-41,580.16

Finding the Fourth Proportional to 76,908.16, 106,132.96 and 41,580.16

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Solution

The fourth proportional to 76,908.16, 106,132.96 and 41,580.16 is: 57,380.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,908.16 : 106,132.96 = 41,580.16 : x
  2. Step 2: Convert to fraction form
    76,908.16/106,132.96 = 41,580.16/x
  3. Step 3: Cross multiply
    76,908.16x = 106,132.96 × 41,580.16
  4. Step 4: Simplify right side
    76,908.16x = 4,413,025,458.07
  5. Step 5: Solve for x
    x = 4,413,025,458.07/76,908.16
  6. Step 6: Final answer
    x = 57,380.46

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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.