Home / 57,129.04-85,692.63-15,576.04

Finding the Fourth Proportional to 57,129.04, 85,692.63 and 15,576.04

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Solution

The fourth proportional to 57,129.04, 85,692.63 and 15,576.04 is: 23,363.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,129.04 : 85,692.63 = 15,576.04 : x
  2. Step 2: Convert to fraction form
    57,129.04/85,692.63 = 15,576.04/x
  3. Step 3: Cross multiply
    57,129.04x = 85,692.63 × 15,576.04
  4. Step 4: Simplify right side
    57,129.04x = 1,334,751,618.35
  5. Step 5: Solve for x
    x = 1,334,751,618.35/57,129.04
  6. Step 6: Final answer
    x = 23,363.80

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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.