Home / 45,649.92-68,471.28-14,485.44

Finding the Fourth Proportional to 45,649.92, 68,471.28 and 14,485.44

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Solution

The fourth proportional to 45,649.92, 68,471.28 and 14,485.44 is: 21,727.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,649.92 : 68,471.28 = 14,485.44 : x
  2. Step 2: Convert to fraction form
    45,649.92/68,471.28 = 14,485.44/x
  3. Step 3: Cross multiply
    45,649.92x = 68,471.28 × 14,485.44
  4. Step 4: Simplify right side
    45,649.92x = 991,836,618.16
  5. Step 5: Solve for x
    x = 991,836,618.16/45,649.92
  6. Step 6: Final answer
    x = 21,727.02

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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.