Home / 70,540.23-105,754.89-48,286.17

Finding the Fourth Proportional to 70,540.23, 105,754.89 and 48,286.17

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Solution

The fourth proportional to 70,540.23, 105,754.89 and 48,286.17 is: 72,391.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,540.23 : 105,754.89 = 48,286.17 : x
  2. Step 2: Convert to fraction form
    70,540.23/105,754.89 = 48,286.17/x
  3. Step 3: Cross multiply
    70,540.23x = 105,754.89 × 48,286.17
  4. Step 4: Simplify right side
    70,540.23x = 5,106,498,596.87
  5. Step 5: Solve for x
    x = 5,106,498,596.87/70,540.23
  6. Step 6: Final answer
    x = 72,391.29

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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.