Home / 48,836.39-67,368.92-30,900.56

Finding the Fourth Proportional to 48,836.39, 67,368.92 and 30,900.56

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Solution

The fourth proportional to 48,836.39, 67,368.92 and 30,900.56 is: 42,626.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,836.39 : 67,368.92 = 30,900.56 : x
  2. Step 2: Convert to fraction form
    48,836.39/67,368.92 = 30,900.56/x
  3. Step 3: Cross multiply
    48,836.39x = 67,368.92 × 30,900.56
  4. Step 4: Simplify right side
    48,836.39x = 2,081,736,863.25
  5. Step 5: Solve for x
    x = 2,081,736,863.25/48,836.39
  6. Step 6: Final answer
    x = 42,626.76

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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.