Home / 107,938.89-161,908.33-29,051.06

Finding the Fourth Proportional to 107,938.89, 161,908.33 and 29,051.06

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Solution

The fourth proportional to 107,938.89, 161,908.33 and 29,051.06 is: 43,576.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,938.89 : 161,908.33 = 29,051.06 : x
  2. Step 2: Convert to fraction form
    107,938.89/161,908.33 = 29,051.06/x
  3. Step 3: Cross multiply
    107,938.89x = 161,908.33 × 29,051.06
  4. Step 4: Simplify right side
    107,938.89x = 4,703,608,941.47
  5. Step 5: Solve for x
    x = 4,703,608,941.47/107,938.89
  6. Step 6: Final answer
    x = 43,576.59

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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.