Home / 48,783.08-73,172.94-20,685.04

Finding the Fourth Proportional to 48,783.08, 73,172.94 and 20,685.04

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Solution

The fourth proportional to 48,783.08, 73,172.94 and 20,685.04 is: 31,026.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,783.08 : 73,172.94 = 20,685.04 : x
  2. Step 2: Convert to fraction form
    48,783.08/73,172.94 = 20,685.04/x
  3. Step 3: Cross multiply
    48,783.08x = 73,172.94 × 20,685.04
  4. Step 4: Simplify right side
    48,783.08x = 1,513,585,190.82
  5. Step 5: Solve for x
    x = 1,513,585,190.82/48,783.08
  6. Step 6: Final answer
    x = 31,026.85

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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.