Home / 51,704.89-77,564.62-18,415.10

Finding the Fourth Proportional to 51,704.89, 77,564.62 and 18,415.10

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Solution

The fourth proportional to 51,704.89, 77,564.62 and 18,415.10 is: 27,625.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,704.89 : 77,564.62 = 18,415.10 : x
  2. Step 2: Convert to fraction form
    51,704.89/77,564.62 = 18,415.10/x
  3. Step 3: Cross multiply
    51,704.89x = 77,564.62 × 18,415.10
  4. Step 4: Simplify right side
    51,704.89x = 1,428,360,233.76
  5. Step 5: Solve for x
    x = 1,428,360,233.76/51,704.89
  6. Step 6: Final answer
    x = 27,625.24

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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.