Home / 111,983.40-168,039.90-41,869.80

Finding the Fourth Proportional to 111,983.40, 168,039.90 and 41,869.80

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Solution

The fourth proportional to 111,983.40, 168,039.90 and 41,869.80 is: 62,828.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,983.40 : 168,039.90 = 41,869.80 : x
  2. Step 2: Convert to fraction form
    111,983.40/168,039.90 = 41,869.80/x
  3. Step 3: Cross multiply
    111,983.40x = 168,039.90 × 41,869.80
  4. Step 4: Simplify right side
    111,983.40x = 7,035,797,005.02
  5. Step 5: Solve for x
    x = 7,035,797,005.02/111,983.40
  6. Step 6: Final answer
    x = 62,828.93

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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.