Home / 45,686.52-68,555.70-18,003.96

Finding the Fourth Proportional to 45,686.52, 68,555.70 and 18,003.96

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Solution

The fourth proportional to 45,686.52, 68,555.70 and 18,003.96 is: 27,016.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,686.52 : 68,555.70 = 18,003.96 : x
  2. Step 2: Convert to fraction form
    45,686.52/68,555.70 = 18,003.96/x
  3. Step 3: Cross multiply
    45,686.52x = 68,555.70 × 18,003.96
  4. Step 4: Simplify right side
    45,686.52x = 1,234,274,080.57
  5. Step 5: Solve for x
    x = 1,234,274,080.57/45,686.52
  6. Step 6: Final answer
    x = 27,016.15

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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.