Home / 55,171.10-82,790.85-28,894.70

Finding the Fourth Proportional to 55,171.10, 82,790.85 and 28,894.70

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Solution

The fourth proportional to 55,171.10, 82,790.85 and 28,894.70 is: 43,359.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,171.10 : 82,790.85 = 28,894.70 : x
  2. Step 2: Convert to fraction form
    55,171.10/82,790.85 = 28,894.70/x
  3. Step 3: Cross multiply
    55,171.10x = 82,790.85 × 28,894.70
  4. Step 4: Simplify right side
    55,171.10x = 2,392,216,773.50
  5. Step 5: Solve for x
    x = 2,392,216,773.50/55,171.10
  6. Step 6: Final answer
    x = 43,359.96

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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.