Home / 107,938.14-161,907.20-29,050.31

Finding the Fourth Proportional to 107,938.14, 161,907.20 and 29,050.31

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Solution

The fourth proportional to 107,938.14, 161,907.20 and 29,050.31 is: 43,575.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,938.14 : 161,907.20 = 29,050.31 : x
  2. Step 2: Convert to fraction form
    107,938.14/161,907.20 = 29,050.31/x
  3. Step 3: Cross multiply
    107,938.14x = 161,907.20 × 29,050.31
  4. Step 4: Simplify right side
    107,938.14x = 4,703,454,883.10
  5. Step 5: Solve for x
    x = 4,703,454,883.10/107,938.14
  6. Step 6: Final answer
    x = 43,575.47

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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.