Home / 45,493.71-68,188.80-27,685.09

Finding the Fourth Proportional to 45,493.71, 68,188.80 and 27,685.09

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Solution

The fourth proportional to 45,493.71, 68,188.80 and 27,685.09 is: 41,496.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,493.71 : 68,188.80 = 27,685.09 : x
  2. Step 2: Convert to fraction form
    45,493.71/68,188.80 = 27,685.09/x
  3. Step 3: Cross multiply
    45,493.71x = 68,188.80 × 27,685.09
  4. Step 4: Simplify right side
    45,493.71x = 1,887,813,064.99
  5. Step 5: Solve for x
    x = 1,887,813,064.99/45,493.71
  6. Step 6: Final answer
    x = 41,496.13

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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.