Home / 52,391.13-78,603.09-33,692.28

Finding the Fourth Proportional to 52,391.13, 78,603.09 and 33,692.28

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Solution

The fourth proportional to 52,391.13, 78,603.09 and 33,692.28 is: 50,548.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,391.13 : 78,603.09 = 33,692.28 : x
  2. Step 2: Convert to fraction form
    52,391.13/78,603.09 = 33,692.28/x
  3. Step 3: Cross multiply
    52,391.13x = 78,603.09 × 33,692.28
  4. Step 4: Simplify right side
    52,391.13x = 2,648,317,317.15
  5. Step 5: Solve for x
    x = 2,648,317,317.15/52,391.13
  6. Step 6: Final answer
    x = 50,548.96

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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.