Home / 107,908.33-161,962.32-54,637.75

Finding the Fourth Proportional to 107,908.33, 161,962.32 and 54,637.75

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Solution

The fourth proportional to 107,908.33, 161,962.32 and 54,637.75 is: 82,007.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,908.33 : 161,962.32 = 54,637.75 : x
  2. Step 2: Convert to fraction form
    107,908.33/161,962.32 = 54,637.75/x
  3. Step 3: Cross multiply
    107,908.33x = 161,962.32 × 54,637.75
  4. Step 4: Simplify right side
    107,908.33x = 8,849,256,749.58
  5. Step 5: Solve for x
    x = 8,849,256,749.58/107,908.33
  6. Step 6: Final answer
    x = 82,007.17

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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.