Home / 55,135.42-82,703.04-15,692.53

Finding the Fourth Proportional to 55,135.42, 82,703.04 and 15,692.53

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Solution

The fourth proportional to 55,135.42, 82,703.04 and 15,692.53 is: 23,538.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,135.42 : 82,703.04 = 15,692.53 : x
  2. Step 2: Convert to fraction form
    55,135.42/82,703.04 = 15,692.53/x
  3. Step 3: Cross multiply
    55,135.42x = 82,703.04 × 15,692.53
  4. Step 4: Simplify right side
    55,135.42x = 1,297,819,936.29
  5. Step 5: Solve for x
    x = 1,297,819,936.29/55,135.42
  6. Step 6: Final answer
    x = 23,538.77

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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.