Home / 52,474.08-78,672.24-31,692.72

Finding the Fourth Proportional to 52,474.08, 78,672.24 and 31,692.72

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Solution

The fourth proportional to 52,474.08, 78,672.24 and 31,692.72 is: 47,515.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,474.08 : 78,672.24 = 31,692.72 : x
  2. Step 2: Convert to fraction form
    52,474.08/78,672.24 = 31,692.72/x
  3. Step 3: Cross multiply
    52,474.08x = 78,672.24 × 31,692.72
  4. Step 4: Simplify right side
    52,474.08x = 2,493,337,274.09
  5. Step 5: Solve for x
    x = 2,493,337,274.09/52,474.08
  6. Step 6: Final answer
    x = 47,515.60

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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.