Home / 110,802.30-166,090.05-54,555.90

Finding the Fourth Proportional to 110,802.30, 166,090.05 and 54,555.90

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Solution

The fourth proportional to 110,802.30, 166,090.05 and 54,555.90 is: 81,778.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,802.30 : 166,090.05 = 54,555.90 : x
  2. Step 2: Convert to fraction form
    110,802.30/166,090.05 = 54,555.90/x
  3. Step 3: Cross multiply
    110,802.30x = 166,090.05 × 54,555.90
  4. Step 4: Simplify right side
    110,802.30x = 9,061,192,158.80
  5. Step 5: Solve for x
    x = 9,061,192,158.80/110,802.30
  6. Step 6: Final answer
    x = 81,778.02

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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.