Home / 71,172.18-106,769.34-23,772.60

Finding the Fourth Proportional to 71,172.18, 106,769.34 and 23,772.60

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Solution

The fourth proportional to 71,172.18, 106,769.34 and 23,772.60 is: 35,662.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,172.18 : 106,769.34 = 23,772.60 : x
  2. Step 2: Convert to fraction form
    71,172.18/106,769.34 = 23,772.60/x
  3. Step 3: Cross multiply
    71,172.18x = 106,769.34 × 23,772.60
  4. Step 4: Simplify right side
    71,172.18x = 2,538,184,812.08
  5. Step 5: Solve for x
    x = 2,538,184,812.08/71,172.18
  6. Step 6: Final answer
    x = 35,662.60

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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.