Home / 92,308.75-138,476.49-29,107.51

Finding the Fourth Proportional to 92,308.75, 138,476.49 and 29,107.51

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Solution

The fourth proportional to 92,308.75, 138,476.49 and 29,107.51 is: 43,665.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,308.75 : 138,476.49 = 29,107.51 : x
  2. Step 2: Convert to fraction form
    92,308.75/138,476.49 = 29,107.51/x
  3. Step 3: Cross multiply
    92,308.75x = 138,476.49 × 29,107.51
  4. Step 4: Simplify right side
    92,308.75x = 4,030,705,817.44
  5. Step 5: Solve for x
    x = 4,030,705,817.44/92,308.75
  6. Step 6: Final answer
    x = 43,665.48

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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.