Home / 89,947.06-124,123.68-49,659.96

Finding the Fourth Proportional to 89,947.06, 124,123.68 and 49,659.96

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Solution

The fourth proportional to 89,947.06, 124,123.68 and 49,659.96 is: 68,528.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,947.06 : 124,123.68 = 49,659.96 : x
  2. Step 2: Convert to fraction form
    89,947.06/124,123.68 = 49,659.96/x
  3. Step 3: Cross multiply
    89,947.06x = 124,123.68 × 49,659.96
  4. Step 4: Simplify right side
    89,947.06x = 6,163,976,983.85
  5. Step 5: Solve for x
    x = 6,163,976,983.85/89,947.06
  6. Step 6: Final answer
    x = 68,528.94

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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.