Home / 73,056.49-109,585.81-20,462.65

Finding the Fourth Proportional to 73,056.49, 109,585.81 and 20,462.65

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Solution

The fourth proportional to 73,056.49, 109,585.81 and 20,462.65 is: 30,694.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,056.49 : 109,585.81 = 20,462.65 : x
  2. Step 2: Convert to fraction form
    73,056.49/109,585.81 = 20,462.65/x
  3. Step 3: Cross multiply
    73,056.49x = 109,585.81 × 20,462.65
  4. Step 4: Simplify right side
    73,056.49x = 2,242,415,826.61
  5. Step 5: Solve for x
    x = 2,242,415,826.61/73,056.49
  6. Step 6: Final answer
    x = 30,694.27

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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.