Home / 107,609.76-161,459.46-57,677.04

Finding the Fourth Proportional to 107,609.76, 161,459.46 and 57,677.04

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Solution

The fourth proportional to 107,609.76, 161,459.46 and 57,677.04 is: 86,539.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,609.76 : 161,459.46 = 57,677.04 : x
  2. Step 2: Convert to fraction form
    107,609.76/161,459.46 = 57,677.04/x
  3. Step 3: Cross multiply
    107,609.76x = 161,459.46 × 57,677.04
  4. Step 4: Simplify right side
    107,609.76x = 9,312,503,732.80
  5. Step 5: Solve for x
    x = 9,312,503,732.80/107,609.76
  6. Step 6: Final answer
    x = 86,539.58

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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.