Home / 97,660.78-146,442.70-31,092.24

Finding the Fourth Proportional to 97,660.78, 146,442.70 and 31,092.24

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Solution

The fourth proportional to 97,660.78, 146,442.70 and 31,092.24 is: 46,622.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,660.78 : 146,442.70 = 31,092.24 : x
  2. Step 2: Convert to fraction form
    97,660.78/146,442.70 = 31,092.24/x
  3. Step 3: Cross multiply
    97,660.78x = 146,442.70 × 31,092.24
  4. Step 4: Simplify right side
    97,660.78x = 4,553,231,574.65
  5. Step 5: Solve for x
    x = 4,553,231,574.65/97,660.78
  6. Step 6: Final answer
    x = 46,622.93

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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.