Home / 109,146.58-163,725.33-39,025.90

Finding the Fourth Proportional to 109,146.58, 163,725.33 and 39,025.90

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Solution

The fourth proportional to 109,146.58, 163,725.33 and 39,025.90 is: 58,540.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,146.58 : 163,725.33 = 39,025.90 : x
  2. Step 2: Convert to fraction form
    109,146.58/163,725.33 = 39,025.90/x
  3. Step 3: Cross multiply
    109,146.58x = 163,725.33 × 39,025.90
  4. Step 4: Simplify right side
    109,146.58x = 6,389,527,537.42
  5. Step 5: Solve for x
    x = 6,389,527,537.42/109,146.58
  6. Step 6: Final answer
    x = 58,540.80

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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.