Home / 89,195.31-133,812.64-26,020.38

Finding the Fourth Proportional to 89,195.31, 133,812.64 and 26,020.38

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Solution

The fourth proportional to 89,195.31, 133,812.64 and 26,020.38 is: 39,036.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,195.31 : 133,812.64 = 26,020.38 : x
  2. Step 2: Convert to fraction form
    89,195.31/133,812.64 = 26,020.38/x
  3. Step 3: Cross multiply
    89,195.31x = 133,812.64 × 26,020.38
  4. Step 4: Simplify right side
    89,195.31x = 3,481,855,170.12
  5. Step 5: Solve for x
    x = 3,481,855,170.12/89,195.31
  6. Step 6: Final answer
    x = 39,036.30

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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.