Home / 45,867.84-68,801.82-12,588.36

Finding the Fourth Proportional to 45,867.84, 68,801.82 and 12,588.36

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Solution

The fourth proportional to 45,867.84, 68,801.82 and 12,588.36 is: 18,882.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,867.84 : 68,801.82 = 12,588.36 : x
  2. Step 2: Convert to fraction form
    45,867.84/68,801.82 = 12,588.36/x
  3. Step 3: Cross multiply
    45,867.84x = 68,801.82 × 12,588.36
  4. Step 4: Simplify right side
    45,867.84x = 866,102,078.82
  5. Step 5: Solve for x
    x = 866,102,078.82/45,867.84
  6. Step 6: Final answer
    x = 18,882.56

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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.