Home / 107,930.20-161,895.30-29,052.40

Finding the Fourth Proportional to 107,930.20, 161,895.30 and 29,052.40

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Solution

The fourth proportional to 107,930.20, 161,895.30 and 29,052.40 is: 43,578.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,930.20 : 161,895.30 = 29,052.40 : x
  2. Step 2: Convert to fraction form
    107,930.20/161,895.30 = 29,052.40/x
  3. Step 3: Cross multiply
    107,930.20x = 161,895.30 × 29,052.40
  4. Step 4: Simplify right side
    107,930.20x = 4,703,447,013.72
  5. Step 5: Solve for x
    x = 4,703,447,013.72/107,930.20
  6. Step 6: Final answer
    x = 43,578.60

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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.