Home / 107,788.82-161,675.69-40,308.01

Finding the Fourth Proportional to 107,788.82, 161,675.69 and 40,308.01

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Solution

The fourth proportional to 107,788.82, 161,675.69 and 40,308.01 is: 60,459.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,788.82 : 161,675.69 = 40,308.01 : x
  2. Step 2: Convert to fraction form
    107,788.82/161,675.69 = 40,308.01/x
  3. Step 3: Cross multiply
    107,788.82x = 161,675.69 × 40,308.01
  4. Step 4: Simplify right side
    107,788.82x = 6,516,824,723.55
  5. Step 5: Solve for x
    x = 6,516,824,723.55/107,788.82
  6. Step 6: Final answer
    x = 60,459.19

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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.