Home / 55,650.85-76,783.22-31,772.77

Finding the Fourth Proportional to 55,650.85, 76,783.22 and 31,772.77

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Solution

The fourth proportional to 55,650.85, 76,783.22 and 31,772.77 is: 43,837.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,650.85 : 76,783.22 = 31,772.77 : x
  2. Step 2: Convert to fraction form
    55,650.85/76,783.22 = 31,772.77/x
  3. Step 3: Cross multiply
    55,650.85x = 76,783.22 × 31,772.77
  4. Step 4: Simplify right side
    55,650.85x = 2,439,615,588.92
  5. Step 5: Solve for x
    x = 2,439,615,588.92/55,650.85
  6. Step 6: Final answer
    x = 43,837.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.