Home / 107,486.55-161,231.40-40,930.36

Finding the Fourth Proportional to 107,486.55, 161,231.40 and 40,930.36

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Solution

The fourth proportional to 107,486.55, 161,231.40 and 40,930.36 is: 61,396.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,486.55 : 161,231.40 = 40,930.36 : x
  2. Step 2: Convert to fraction form
    107,486.55/161,231.40 = 40,930.36/x
  3. Step 3: Cross multiply
    107,486.55x = 161,231.40 × 40,930.36
  4. Step 4: Simplify right side
    107,486.55x = 6,599,258,842.23
  5. Step 5: Solve for x
    x = 6,599,258,842.23/107,486.55
  6. Step 6: Final answer
    x = 61,396.14

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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.