Home / 107,884.67-161,911.74-74,837.27

Finding the Fourth Proportional to 107,884.67, 161,911.74 and 74,837.27

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Solution

The fourth proportional to 107,884.67, 161,911.74 and 74,837.27 is: 112,314.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,884.67 : 161,911.74 = 74,837.27 : x
  2. Step 2: Convert to fraction form
    107,884.67/161,911.74 = 74,837.27/x
  3. Step 3: Cross multiply
    107,884.67x = 161,911.74 × 74,837.27
  4. Step 4: Simplify right side
    107,884.67x = 12,117,031,792.99
  5. Step 5: Solve for x
    x = 12,117,031,792.99/107,884.67
  6. Step 6: Final answer
    x = 112,314.68

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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.