Home / 107,917.96-161,738.40-51,673.79

Finding the Fourth Proportional to 107,917.96, 161,738.40 and 51,673.79

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Solution

The fourth proportional to 107,917.96, 161,738.40 and 51,673.79 is: 77,444.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,917.96 : 161,738.40 = 51,673.79 : x
  2. Step 2: Convert to fraction form
    107,917.96/161,738.40 = 51,673.79/x
  3. Step 3: Cross multiply
    107,917.96x = 161,738.40 × 51,673.79
  4. Step 4: Simplify right side
    107,917.96x = 8,357,636,116.54
  5. Step 5: Solve for x
    x = 8,357,636,116.54/107,917.96
  6. Step 6: Final answer
    x = 77,444.35

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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.