Home / 89,158.41-133,760.79-25,977.06

Finding the Fourth Proportional to 89,158.41, 133,760.79 and 25,977.06

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Solution

The fourth proportional to 89,158.41, 133,760.79 and 25,977.06 is: 38,972.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,158.41 : 133,760.79 = 25,977.06 : x
  2. Step 2: Convert to fraction form
    89,158.41/133,760.79 = 25,977.06/x
  3. Step 3: Cross multiply
    89,158.41x = 133,760.79 × 25,977.06
  4. Step 4: Simplify right side
    89,158.41x = 3,474,712,067.48
  5. Step 5: Solve for x
    x = 3,474,712,067.48/89,158.41
  6. Step 6: Final answer
    x = 38,972.34

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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.