Home / 107,916.15-161,860.05-33,043.80

Finding the Fourth Proportional to 107,916.15, 161,860.05 and 33,043.80

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Solution

The fourth proportional to 107,916.15, 161,860.05 and 33,043.80 is: 49,561.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,916.15 : 161,860.05 = 33,043.80 : x
  2. Step 2: Convert to fraction form
    107,916.15/161,860.05 = 33,043.80/x
  3. Step 3: Cross multiply
    107,916.15x = 161,860.05 × 33,043.80
  4. Step 4: Simplify right side
    107,916.15x = 5,348,471,120.19
  5. Step 5: Solve for x
    x = 5,348,471,120.19/107,916.15
  6. Step 6: Final answer
    x = 49,561.36

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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.