Home / 81,913.20-113,043.84-46,105.52

Finding the Fourth Proportional to 81,913.20, 113,043.84 and 46,105.52

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Solution

The fourth proportional to 81,913.20, 113,043.84 and 46,105.52 is: 63,627.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,913.20 : 113,043.84 = 46,105.52 : x
  2. Step 2: Convert to fraction form
    81,913.20/113,043.84 = 46,105.52/x
  3. Step 3: Cross multiply
    81,913.20x = 113,043.84 × 46,105.52
  4. Step 4: Simplify right side
    81,913.20x = 5,211,945,026.00
  5. Step 5: Solve for x
    x = 5,211,945,026.00/81,913.20
  6. Step 6: Final answer
    x = 63,627.66

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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.