Home / 51,404.41-77,107.16-18,118.27

Finding the Fourth Proportional to 51,404.41, 77,107.16 and 18,118.27

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Solution

The fourth proportional to 51,404.41, 77,107.16 and 18,118.27 is: 27,177.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,404.41 : 77,107.16 = 18,118.27 : x
  2. Step 2: Convert to fraction form
    51,404.41/77,107.16 = 18,118.27/x
  3. Step 3: Cross multiply
    51,404.41x = 77,107.16 × 18,118.27
  4. Step 4: Simplify right side
    51,404.41x = 1,397,048,343.81
  5. Step 5: Solve for x
    x = 1,397,048,343.81/51,404.41
  6. Step 6: Final answer
    x = 27,177.60

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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.