Home / 53,157.14-79,735.82-49,909.44

Finding the Fourth Proportional to 53,157.14, 79,735.82 and 49,909.44

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Solution

The fourth proportional to 53,157.14, 79,735.82 and 49,909.44 is: 74,864.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,157.14 : 79,735.82 = 49,909.44 : x
  2. Step 2: Convert to fraction form
    53,157.14/79,735.82 = 49,909.44/x
  3. Step 3: Cross multiply
    53,157.14x = 79,735.82 × 49,909.44
  4. Step 4: Simplify right side
    53,157.14x = 3,979,569,874.59
  5. Step 5: Solve for x
    x = 3,979,569,874.59/53,157.14
  6. Step 6: Final answer
    x = 74,864.27

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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.