Home / 55,245.48-82,869.06-13,692.52

Finding the Fourth Proportional to 55,245.48, 82,869.06 and 13,692.52

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Solution

The fourth proportional to 55,245.48, 82,869.06 and 13,692.52 is: 20,538.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,245.48 : 82,869.06 = 13,692.52 : x
  2. Step 2: Convert to fraction form
    55,245.48/82,869.06 = 13,692.52/x
  3. Step 3: Cross multiply
    55,245.48x = 82,869.06 × 13,692.52
  4. Step 4: Simplify right side
    55,245.48x = 1,134,686,261.43
  5. Step 5: Solve for x
    x = 1,134,686,261.43/55,245.48
  6. Step 6: Final answer
    x = 20,538.99

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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.