Home / 55,857.68-83,736.70-20,773.34

Finding the Fourth Proportional to 55,857.68, 83,736.70 and 20,773.34

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Solution

The fourth proportional to 55,857.68, 83,736.70 and 20,773.34 is: 31,141.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,857.68 : 83,736.70 = 20,773.34 : x
  2. Step 2: Convert to fraction form
    55,857.68/83,736.70 = 20,773.34/x
  3. Step 3: Cross multiply
    55,857.68x = 83,736.70 × 20,773.34
  4. Step 4: Simplify right side
    55,857.68x = 1,739,490,939.58
  5. Step 5: Solve for x
    x = 1,739,490,939.58/55,857.68
  6. Step 6: Final answer
    x = 31,141.48

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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.