Home / 91,214.92-136,812.76-43,172.04

Finding the Fourth Proportional to 91,214.92, 136,812.76 and 43,172.04

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Solution

The fourth proportional to 91,214.92, 136,812.76 and 43,172.04 is: 64,753.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,214.92 : 136,812.76 = 43,172.04 : x
  2. Step 2: Convert to fraction form
    91,214.92/136,812.76 = 43,172.04/x
  3. Step 3: Cross multiply
    91,214.92x = 136,812.76 × 43,172.04
  4. Step 4: Simplify right side
    91,214.92x = 5,906,485,947.23
  5. Step 5: Solve for x
    x = 5,906,485,947.23/91,214.92
  6. Step 6: Final answer
    x = 64,753.51

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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.