Home / 45,991.41-68,973.79-17,905.20

Finding the Fourth Proportional to 45,991.41, 68,973.79 and 17,905.20

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Solution

The fourth proportional to 45,991.41, 68,973.79 and 17,905.20 is: 26,852.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,991.41 : 68,973.79 = 17,905.20 : x
  2. Step 2: Convert to fraction form
    45,991.41/68,973.79 = 17,905.20/x
  3. Step 3: Cross multiply
    45,991.41x = 68,973.79 × 17,905.20
  4. Step 4: Simplify right side
    45,991.41x = 1,234,989,816.83
  5. Step 5: Solve for x
    x = 1,234,989,816.83/45,991.41
  6. Step 6: Final answer
    x = 26,852.62

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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.