Home / 107,425.30-161,195.55-45,102.10

Finding the Fourth Proportional to 107,425.30, 161,195.55 and 45,102.10

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Solution

The fourth proportional to 107,425.30, 161,195.55 and 45,102.10 is: 67,677.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,425.30 : 161,195.55 = 45,102.10 : x
  2. Step 2: Convert to fraction form
    107,425.30/161,195.55 = 45,102.10/x
  3. Step 3: Cross multiply
    107,425.30x = 161,195.55 × 45,102.10
  4. Step 4: Simplify right side
    107,425.30x = 7,270,257,815.66
  5. Step 5: Solve for x
    x = 7,270,257,815.66/107,425.30
  6. Step 6: Final answer
    x = 67,677.33

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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.