Home / 45,934.60-68,942.40-27,191.20

Finding the Fourth Proportional to 45,934.60, 68,942.40 and 27,191.20

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Solution

The fourth proportional to 45,934.60, 68,942.40 and 27,191.20 is: 40,810.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,934.60 : 68,942.40 = 27,191.20 : x
  2. Step 2: Convert to fraction form
    45,934.60/68,942.40 = 27,191.20/x
  3. Step 3: Cross multiply
    45,934.60x = 68,942.40 × 27,191.20
  4. Step 4: Simplify right side
    45,934.60x = 1,874,626,586.88
  5. Step 5: Solve for x
    x = 1,874,626,586.88/45,934.60
  6. Step 6: Final answer
    x = 40,810.77

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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.