Home / 107,851.17-161,777.73-28,965.36

Finding the Fourth Proportional to 107,851.17, 161,777.73 and 28,965.36

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Solution

The fourth proportional to 107,851.17, 161,777.73 and 28,965.36 is: 43,448.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,851.17 : 161,777.73 = 28,965.36 : x
  2. Step 2: Convert to fraction form
    107,851.17/161,777.73 = 28,965.36/x
  3. Step 3: Cross multiply
    107,851.17x = 161,777.73 × 28,965.36
  4. Step 4: Simplify right side
    107,851.17x = 4,685,950,189.43
  5. Step 5: Solve for x
    x = 4,685,950,189.43/107,851.17
  6. Step 6: Final answer
    x = 43,448.30

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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.