Home / 129,172.45-193,692.26-58,034.12

Finding the Fourth Proportional to 129,172.45, 193,692.26 and 58,034.12

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Solution

The fourth proportional to 129,172.45, 193,692.26 and 58,034.12 is: 87,021.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,172.45 : 193,692.26 = 58,034.12 : x
  2. Step 2: Convert to fraction form
    129,172.45/193,692.26 = 58,034.12/x
  3. Step 3: Cross multiply
    129,172.45x = 193,692.26 × 58,034.12
  4. Step 4: Simplify right side
    129,172.45x = 11,240,760,126.05
  5. Step 5: Solve for x
    x = 11,240,760,126.05/129,172.45
  6. Step 6: Final answer
    x = 87,021.35

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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.