Home / 55,311.46-76,335.66-33,813.79

Finding the Fourth Proportional to 55,311.46, 76,335.66 and 33,813.79

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Solution

The fourth proportional to 55,311.46, 76,335.66 and 33,813.79 is: 46,666.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,311.46 : 76,335.66 = 33,813.79 : x
  2. Step 2: Convert to fraction form
    55,311.46/76,335.66 = 33,813.79/x
  3. Step 3: Cross multiply
    55,311.46x = 76,335.66 × 33,813.79
  4. Step 4: Simplify right side
    55,311.46x = 2,581,197,785.91
  5. Step 5: Solve for x
    x = 2,581,197,785.91/55,311.46
  6. Step 6: Final answer
    x = 46,666.60

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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.