Home / 48,692.61-73,080.36-19,131.12

Finding the Fourth Proportional to 48,692.61, 73,080.36 and 19,131.12

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Solution

The fourth proportional to 48,692.61, 73,080.36 and 19,131.12 is: 28,712.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,692.61 : 73,080.36 = 19,131.12 : x
  2. Step 2: Convert to fraction form
    48,692.61/73,080.36 = 19,131.12/x
  3. Step 3: Cross multiply
    48,692.61x = 73,080.36 × 19,131.12
  4. Step 4: Simplify right side
    48,692.61x = 1,398,109,136.80
  5. Step 5: Solve for x
    x = 1,398,109,136.80/48,692.61
  6. Step 6: Final answer
    x = 28,712.96

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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.