Home / 107,859.40-161,712.30-41,273.80

Finding the Fourth Proportional to 107,859.40, 161,712.30 and 41,273.80

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Solution

The fourth proportional to 107,859.40, 161,712.30 and 41,273.80 is: 61,881.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,859.40 : 161,712.30 = 41,273.80 : x
  2. Step 2: Convert to fraction form
    107,859.40/161,712.30 = 41,273.80/x
  3. Step 3: Cross multiply
    107,859.40x = 161,712.30 × 41,273.80
  4. Step 4: Simplify right side
    107,859.40x = 6,674,481,127.74
  5. Step 5: Solve for x
    x = 6,674,481,127.74/107,859.40
  6. Step 6: Final answer
    x = 61,881.31

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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.