Home / 107,828.66-161,762.20-36,747.36

Finding the Fourth Proportional to 107,828.66, 161,762.20 and 36,747.36

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Solution

The fourth proportional to 107,828.66, 161,762.20 and 36,747.36 is: 55,127.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,828.66 : 161,762.20 = 36,747.36 : x
  2. Step 2: Convert to fraction form
    107,828.66/161,762.20 = 36,747.36/x
  3. Step 3: Cross multiply
    107,828.66x = 161,762.20 × 36,747.36
  4. Step 4: Simplify right side
    107,828.66x = 5,944,333,705.92
  5. Step 5: Solve for x
    x = 5,944,333,705.92/107,828.66
  6. Step 6: Final answer
    x = 55,127.58

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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.