Home / 48,857.31-73,271.25-20,777.04

Finding the Fourth Proportional to 48,857.31, 73,271.25 and 20,777.04

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Solution

The fourth proportional to 48,857.31, 73,271.25 and 20,777.04 is: 31,159.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,857.31 : 73,271.25 = 20,777.04 : x
  2. Step 2: Convert to fraction form
    48,857.31/73,271.25 = 20,777.04/x
  3. Step 3: Cross multiply
    48,857.31x = 73,271.25 × 20,777.04
  4. Step 4: Simplify right side
    48,857.31x = 1,522,359,692.10
  5. Step 5: Solve for x
    x = 1,522,359,692.10/48,857.31
  6. Step 6: Final answer
    x = 31,159.30

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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.