Home / 45,618.80-68,402.07-14,020.64

Finding the Fourth Proportional to 45,618.80, 68,402.07 and 14,020.64

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Solution

The fourth proportional to 45,618.80, 68,402.07 and 14,020.64 is: 21,022.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,618.80 : 68,402.07 = 14,020.64 : x
  2. Step 2: Convert to fraction form
    45,618.80/68,402.07 = 14,020.64/x
  3. Step 3: Cross multiply
    45,618.80x = 68,402.07 × 14,020.64
  4. Step 4: Simplify right side
    45,618.80x = 959,040,798.72
  5. Step 5: Solve for x
    x = 959,040,798.72/45,618.80
  6. Step 6: Final answer
    x = 21,022.93

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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.