Home / 107,678.18-161,542.83-33,806.18

Finding the Fourth Proportional to 107,678.18, 161,542.83 and 33,806.18

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Solution

The fourth proportional to 107,678.18, 161,542.83 and 33,806.18 is: 50,717.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,678.18 : 161,542.83 = 33,806.18 : x
  2. Step 2: Convert to fraction form
    107,678.18/161,542.83 = 33,806.18/x
  3. Step 3: Cross multiply
    107,678.18x = 161,542.83 × 33,806.18
  4. Step 4: Simplify right side
    107,678.18x = 5,461,145,988.69
  5. Step 5: Solve for x
    x = 5,461,145,988.69/107,678.18
  6. Step 6: Final answer
    x = 50,717.29

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1.5x scale

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.