Home / 55,953.72-83,944.80-20,893.68

Finding the Fourth Proportional to 55,953.72, 83,944.80 and 20,893.68

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Solution

The fourth proportional to 55,953.72, 83,944.80 and 20,893.68 is: 31,345.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,953.72 : 83,944.80 = 20,893.68 : x
  2. Step 2: Convert to fraction form
    55,953.72/83,944.80 = 20,893.68/x
  3. Step 3: Cross multiply
    55,953.72x = 83,944.80 × 20,893.68
  4. Step 4: Simplify right side
    55,953.72x = 1,753,915,788.86
  5. Step 5: Solve for x
    x = 1,753,915,788.86/55,953.72
  6. Step 6: Final answer
    x = 31,345.83

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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.