Home / 108,844.20-163,136.70-45,664.20

Finding the Fourth Proportional to 108,844.20, 163,136.70 and 45,664.20

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Solution

The fourth proportional to 108,844.20, 163,136.70 and 45,664.20 is: 68,441.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,844.20 : 163,136.70 = 45,664.20 : x
  2. Step 2: Convert to fraction form
    108,844.20/163,136.70 = 45,664.20/x
  3. Step 3: Cross multiply
    108,844.20x = 163,136.70 × 45,664.20
  4. Step 4: Simplify right side
    108,844.20x = 7,449,506,896.14
  5. Step 5: Solve for x
    x = 7,449,506,896.14/108,844.20
  6. Step 6: Final answer
    x = 68,441.93

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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.