Home / 47,692.20-71,538.30-41,125.80

Finding the Fourth Proportional to 47,692.20, 71,538.30 and 41,125.80

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Solution

The fourth proportional to 47,692.20, 71,538.30 and 41,125.80 is: 61,688.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,692.20 : 71,538.30 = 41,125.80 : x
  2. Step 2: Convert to fraction form
    47,692.20/71,538.30 = 41,125.80/x
  3. Step 3: Cross multiply
    47,692.20x = 71,538.30 × 41,125.80
  4. Step 4: Simplify right side
    47,692.20x = 2,942,069,818.14
  5. Step 5: Solve for x
    x = 2,942,069,818.14/47,692.20
  6. Step 6: Final answer
    x = 61,688.70

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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.