Home / 51,137.64-76,724.88-17,862.60

Finding the Fourth Proportional to 51,137.64, 76,724.88 and 17,862.60

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Solution

The fourth proportional to 51,137.64, 76,724.88 and 17,862.60 is: 26,800.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,137.64 : 76,724.88 = 17,862.60 : x
  2. Step 2: Convert to fraction form
    51,137.64/76,724.88 = 17,862.60/x
  3. Step 3: Cross multiply
    51,137.64x = 76,724.88 × 17,862.60
  4. Step 4: Simplify right side
    51,137.64x = 1,370,505,841.49
  5. Step 5: Solve for x
    x = 1,370,505,841.49/51,137.64
  6. Step 6: Final answer
    x = 26,800.33

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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.