Home / 45,553.77-68,333.90-14,388.75

Finding the Fourth Proportional to 45,553.77, 68,333.90 and 14,388.75

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Solution

The fourth proportional to 45,553.77, 68,333.90 and 14,388.75 is: 21,584.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,553.77 : 68,333.90 = 14,388.75 : x
  2. Step 2: Convert to fraction form
    45,553.77/68,333.90 = 14,388.75/x
  3. Step 3: Cross multiply
    45,553.77x = 68,333.90 × 14,388.75
  4. Step 4: Simplify right side
    45,553.77x = 983,239,331.68
  5. Step 5: Solve for x
    x = 983,239,331.68/45,553.77
  6. Step 6: Final answer
    x = 21,584.15

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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.