Home / 54,742.16-82,181.28-54,489.44

Finding the Fourth Proportional to 54,742.16, 82,181.28 and 54,489.44

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Solution

The fourth proportional to 54,742.16, 82,181.28 and 54,489.44 is: 81,801.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,742.16 : 82,181.28 = 54,489.44 : x
  2. Step 2: Convert to fraction form
    54,742.16/82,181.28 = 54,489.44/x
  3. Step 3: Cross multiply
    54,742.16x = 82,181.28 × 54,489.44
  4. Step 4: Simplify right side
    54,742.16x = 4,478,011,925.68
  5. Step 5: Solve for x
    x = 4,478,011,925.68/54,742.16
  6. Step 6: Final answer
    x = 81,801.89

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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.