Home / 51,294.80-76,942.20-29,176.40

Finding the Fourth Proportional to 51,294.80, 76,942.20 and 29,176.40

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Solution

The fourth proportional to 51,294.80, 76,942.20 and 29,176.40 is: 43,764.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,294.80 : 76,942.20 = 29,176.40 : x
  2. Step 2: Convert to fraction form
    51,294.80/76,942.20 = 29,176.40/x
  3. Step 3: Cross multiply
    51,294.80x = 76,942.20 × 29,176.40
  4. Step 4: Simplify right side
    51,294.80x = 2,244,896,404.08
  5. Step 5: Solve for x
    x = 2,244,896,404.08/51,294.80
  6. Step 6: Final answer
    x = 43,764.60

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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.