Home / 45,867.75-68,811.50-14,277.15

Finding the Fourth Proportional to 45,867.75, 68,811.50 and 14,277.15

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Solution

The fourth proportional to 45,867.75, 68,811.50 and 14,277.15 is: 21,418.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,867.75 : 68,811.50 = 14,277.15 : x
  2. Step 2: Convert to fraction form
    45,867.75/68,811.50 = 14,277.15/x
  3. Step 3: Cross multiply
    45,867.75x = 68,811.50 × 14,277.15
  4. Step 4: Simplify right side
    45,867.75x = 982,432,035.84
  5. Step 5: Solve for x
    x = 982,432,035.84/45,867.75
  6. Step 6: Final answer
    x = 21,418.80

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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.