Home / 45,822.30-68,744.20-14,230.72

Finding the Fourth Proportional to 45,822.30, 68,744.20 and 14,230.72

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Solution

The fourth proportional to 45,822.30, 68,744.20 and 14,230.72 is: 21,349.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,822.30 : 68,744.20 = 14,230.72 : x
  2. Step 2: Convert to fraction form
    45,822.30/68,744.20 = 14,230.72/x
  3. Step 3: Cross multiply
    45,822.30x = 68,744.20 × 14,230.72
  4. Step 4: Simplify right side
    45,822.30x = 978,279,461.82
  5. Step 5: Solve for x
    x = 978,279,461.82/45,822.30
  6. Step 6: Final answer
    x = 21,349.42

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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.