Home / 97,379.78-146,017.83-57,415.46

Finding the Fourth Proportional to 97,379.78, 146,017.83 and 57,415.46

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Solution

The fourth proportional to 97,379.78, 146,017.83 and 57,415.46 is: 86,092.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,379.78 : 146,017.83 = 57,415.46 : x
  2. Step 2: Convert to fraction form
    97,379.78/146,017.83 = 57,415.46/x
  3. Step 3: Cross multiply
    97,379.78x = 146,017.83 × 57,415.46
  4. Step 4: Simplify right side
    97,379.78x = 8,383,680,877.65
  5. Step 5: Solve for x
    x = 8,383,680,877.65/97,379.78
  6. Step 6: Final answer
    x = 86,092.62

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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.