Home / 52,462.12-78,692.56-31,408.04

Finding the Fourth Proportional to 52,462.12, 78,692.56 and 31,408.04

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Solution

The fourth proportional to 52,462.12, 78,692.56 and 31,408.04 is: 47,111.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,462.12 : 78,692.56 = 31,408.04 : x
  2. Step 2: Convert to fraction form
    52,462.12/78,692.56 = 31,408.04/x
  3. Step 3: Cross multiply
    52,462.12x = 78,692.56 × 31,408.04
  4. Step 4: Simplify right side
    52,462.12x = 2,471,579,072.18
  5. Step 5: Solve for x
    x = 2,471,579,072.18/52,462.12
  6. Step 6: Final answer
    x = 47,111.69

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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.