Home / 57,521.40-86,282.04-18,081.96

Finding the Fourth Proportional to 57,521.40, 86,282.04 and 18,081.96

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Solution

The fourth proportional to 57,521.40, 86,282.04 and 18,081.96 is: 27,122.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,521.40 : 86,282.04 = 18,081.96 : x
  2. Step 2: Convert to fraction form
    57,521.40/86,282.04 = 18,081.96/x
  3. Step 3: Cross multiply
    57,521.40x = 86,282.04 × 18,081.96
  4. Step 4: Simplify right side
    57,521.40x = 1,560,148,396.00
  5. Step 5: Solve for x
    x = 1,560,148,396.00/57,521.40
  6. Step 6: Final answer
    x = 27,122.92

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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.