Home / 89,076.71-133,626.06-29,103.77

Finding the Fourth Proportional to 89,076.71, 133,626.06 and 29,103.77

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Solution

The fourth proportional to 89,076.71, 133,626.06 and 29,103.77 is: 43,659.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,076.71 : 133,626.06 = 29,103.77 : x
  2. Step 2: Convert to fraction form
    89,076.71/133,626.06 = 29,103.77/x
  3. Step 3: Cross multiply
    89,076.71x = 133,626.06 × 29,103.77
  4. Step 4: Simplify right side
    89,076.71x = 3,889,021,448.12
  5. Step 5: Solve for x
    x = 3,889,021,448.12/89,076.71
  6. Step 6: Final answer
    x = 43,659.24

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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.