Home / 57,492.63-86,239.33-20,052.56

Finding the Fourth Proportional to 57,492.63, 86,239.33 and 20,052.56

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Solution

The fourth proportional to 57,492.63, 86,239.33 and 20,052.56 is: 30,078.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,492.63 : 86,239.33 = 20,052.56 : x
  2. Step 2: Convert to fraction form
    57,492.63/86,239.33 = 20,052.56/x
  3. Step 3: Cross multiply
    57,492.63x = 86,239.33 × 20,052.56
  4. Step 4: Simplify right side
    57,492.63x = 1,729,319,504.65
  5. Step 5: Solve for x
    x = 1,729,319,504.65/57,492.63
  6. Step 6: Final answer
    x = 30,078.98

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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.