Home / 57,407.52-86,031.09-27,817.50

Finding the Fourth Proportional to 57,407.52, 86,031.09 and 27,817.50

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Solution

The fourth proportional to 57,407.52, 86,031.09 and 27,817.50 is: 41,687.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,407.52 : 86,031.09 = 27,817.50 : x
  2. Step 2: Convert to fraction form
    57,407.52/86,031.09 = 27,817.50/x
  3. Step 3: Cross multiply
    57,407.52x = 86,031.09 × 27,817.50
  4. Step 4: Simplify right side
    57,407.52x = 2,393,169,846.08
  5. Step 5: Solve for x
    x = 2,393,169,846.08/57,407.52
  6. Step 6: Final answer
    x = 41,687.39

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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.