Home / 85,172.06-127,773.47-35,225.03

Finding the Fourth Proportional to 85,172.06, 127,773.47 and 35,225.03

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Solution

The fourth proportional to 85,172.06, 127,773.47 and 35,225.03 is: 52,843.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,172.06 : 127,773.47 = 35,225.03 : x
  2. Step 2: Convert to fraction form
    85,172.06/127,773.47 = 35,225.03/x
  3. Step 3: Cross multiply
    85,172.06x = 127,773.47 × 35,225.03
  4. Step 4: Simplify right side
    85,172.06x = 4,500,823,763.15
  5. Step 5: Solve for x
    x = 4,500,823,763.15/85,172.06
  6. Step 6: Final answer
    x = 52,843.90

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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.