Home / 89,236.76-133,676.66-53,678.46

Finding the Fourth Proportional to 89,236.76, 133,676.66 and 53,678.46

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Solution

The fourth proportional to 89,236.76, 133,676.66 and 53,678.46 is: 80,410.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,236.76 : 133,676.66 = 53,678.46 : x
  2. Step 2: Convert to fraction form
    89,236.76/133,676.66 = 53,678.46/x
  3. Step 3: Cross multiply
    89,236.76x = 133,676.66 × 53,678.46
  4. Step 4: Simplify right side
    89,236.76x = 7,175,557,246.74
  5. Step 5: Solve for x
    x = 7,175,557,246.74/89,236.76
  6. Step 6: Final answer
    x = 80,410.33

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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.