Home / 81,260.94-121,913.84-33,898.29

Finding the Fourth Proportional to 81,260.94, 121,913.84 and 33,898.29

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Solution

The fourth proportional to 81,260.94, 121,913.84 and 33,898.29 is: 50,856.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,260.94 : 121,913.84 = 33,898.29 : x
  2. Step 2: Convert to fraction form
    81,260.94/121,913.84 = 33,898.29/x
  3. Step 3: Cross multiply
    81,260.94x = 121,913.84 × 33,898.29
  4. Step 4: Simplify right side
    81,260.94x = 4,132,670,533.84
  5. Step 5: Solve for x
    x = 4,132,670,533.84/81,260.94
  6. Step 6: Final answer
    x = 50,856.79

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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.