Home / 45,828.98-68,742.21-14,663.78

Finding the Fourth Proportional to 45,828.98, 68,742.21 and 14,663.78

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Solution

The fourth proportional to 45,828.98, 68,742.21 and 14,663.78 is: 21,995.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,828.98 : 68,742.21 = 14,663.78 : x
  2. Step 2: Convert to fraction form
    45,828.98/68,742.21 = 14,663.78/x
  3. Step 3: Cross multiply
    45,828.98x = 68,742.21 × 14,663.78
  4. Step 4: Simplify right side
    45,828.98x = 1,008,020,644.15
  5. Step 5: Solve for x
    x = 1,008,020,644.15/45,828.98
  6. Step 6: Final answer
    x = 21,995.27

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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.