Home / 51,805.48-77,682.64-16,740.60

Finding the Fourth Proportional to 51,805.48, 77,682.64 and 16,740.60

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Solution

The fourth proportional to 51,805.48, 77,682.64 and 16,740.60 is: 25,102.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,805.48 : 77,682.64 = 16,740.60 : x
  2. Step 2: Convert to fraction form
    51,805.48/77,682.64 = 16,740.60/x
  3. Step 3: Cross multiply
    51,805.48x = 77,682.64 × 16,740.60
  4. Step 4: Simplify right side
    51,805.48x = 1,300,454,003.18
  5. Step 5: Solve for x
    x = 1,300,454,003.18/51,805.48
  6. Step 6: Final answer
    x = 25,102.63

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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.