Home / 107,961.30-161,953.50-29,076.66

Finding the Fourth Proportional to 107,961.30, 161,953.50 and 29,076.66

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Solution

The fourth proportional to 107,961.30, 161,953.50 and 29,076.66 is: 43,618.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,961.30 : 161,953.50 = 29,076.66 : x
  2. Step 2: Convert to fraction form
    107,961.30/161,953.50 = 29,076.66/x
  3. Step 3: Cross multiply
    107,961.30x = 161,953.50 × 29,076.66
  4. Step 4: Simplify right side
    107,961.30x = 4,709,066,855.31
  5. Step 5: Solve for x
    x = 4,709,066,855.31/107,961.30
  6. Step 6: Final answer
    x = 43,618.10

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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.