Home / 52,327.80-78,491.34-17,270.28

Finding the Fourth Proportional to 52,327.80, 78,491.34 and 17,270.28

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Solution

The fourth proportional to 52,327.80, 78,491.34 and 17,270.28 is: 25,905.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,327.80 : 78,491.34 = 17,270.28 : x
  2. Step 2: Convert to fraction form
    52,327.80/78,491.34 = 17,270.28/x
  3. Step 3: Cross multiply
    52,327.80x = 78,491.34 × 17,270.28
  4. Step 4: Simplify right side
    52,327.80x = 1,355,567,419.38
  5. Step 5: Solve for x
    x = 1,355,567,419.38/52,327.80
  6. Step 6: Final answer
    x = 25,905.30

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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.