Home / 57,171.62-85,065.45-55,743.14

Finding the Fourth Proportional to 57,171.62, 85,065.45 and 55,743.14

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Solution

The fourth proportional to 57,171.62, 85,065.45 and 55,743.14 is: 82,940.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,171.62 : 85,065.45 = 55,743.14 : x
  2. Step 2: Convert to fraction form
    57,171.62/85,065.45 = 55,743.14/x
  3. Step 3: Cross multiply
    57,171.62x = 85,065.45 × 55,743.14
  4. Step 4: Simplify right side
    57,171.62x = 4,741,815,009.80
  5. Step 5: Solve for x
    x = 4,741,815,009.80/57,171.62
  6. Step 6: Final answer
    x = 82,940.01

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.