Home / 45,494.64-68,218.20-14,321.52

Finding the Fourth Proportional to 45,494.64, 68,218.20 and 14,321.52

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Solution

The fourth proportional to 45,494.64, 68,218.20 and 14,321.52 is: 21,474.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,494.64 : 68,218.20 = 14,321.52 : x
  2. Step 2: Convert to fraction form
    45,494.64/68,218.20 = 14,321.52/x
  3. Step 3: Cross multiply
    45,494.64x = 68,218.20 × 14,321.52
  4. Step 4: Simplify right side
    45,494.64x = 976,988,315.66
  5. Step 5: Solve for x
    x = 976,988,315.66/45,494.64
  6. Step 6: Final answer
    x = 21,474.80

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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.