Home / 52,257.76-78,370.08-17,189.26

Finding the Fourth Proportional to 52,257.76, 78,370.08 and 17,189.26

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Solution

The fourth proportional to 52,257.76, 78,370.08 and 17,189.26 is: 25,778.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,257.76 : 78,370.08 = 17,189.26 : x
  2. Step 2: Convert to fraction form
    52,257.76/78,370.08 = 17,189.26/x
  3. Step 3: Cross multiply
    52,257.76x = 78,370.08 × 17,189.26
  4. Step 4: Simplify right side
    52,257.76x = 1,347,123,681.34
  5. Step 5: Solve for x
    x = 1,347,123,681.34/52,257.76
  6. Step 6: Final answer
    x = 25,778.44

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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.