Home / 48,722.94-73,089.05-13,662.50

Finding the Fourth Proportional to 48,722.94, 73,089.05 and 13,662.50

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Solution

The fourth proportional to 48,722.94, 73,089.05 and 13,662.50 is: 20,495.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,722.94 : 73,089.05 = 13,662.50 : x
  2. Step 2: Convert to fraction form
    48,722.94/73,089.05 = 13,662.50/x
  3. Step 3: Cross multiply
    48,722.94x = 73,089.05 × 13,662.50
  4. Step 4: Simplify right side
    48,722.94x = 998,578,711.87
  5. Step 5: Solve for x
    x = 998,578,711.87/48,722.94
  6. Step 6: Final answer
    x = 20,495.04

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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.