Home / 73,292.04-109,942.50-20,705.46

Finding the Fourth Proportional to 73,292.04, 109,942.50 and 20,705.46

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Solution

The fourth proportional to 73,292.04, 109,942.50 and 20,705.46 is: 31,059.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,292.04 : 109,942.50 = 20,705.46 : x
  2. Step 2: Convert to fraction form
    73,292.04/109,942.50 = 20,705.46/x
  3. Step 3: Cross multiply
    73,292.04x = 109,942.50 × 20,705.46
  4. Step 4: Simplify right side
    73,292.04x = 2,276,410,036.05
  5. Step 5: Solve for x
    x = 2,276,410,036.05/73,292.04
  6. Step 6: Final answer
    x = 31,059.44

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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.