Home / 106,440.62-146,897.91-61,124.54

Finding the Fourth Proportional to 106,440.62, 146,897.91 and 61,124.54

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Solution

The fourth proportional to 106,440.62, 146,897.91 and 61,124.54 is: 84,357.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,440.62 : 146,897.91 = 61,124.54 : x
  2. Step 2: Convert to fraction form
    106,440.62/146,897.91 = 61,124.54/x
  3. Step 3: Cross multiply
    106,440.62x = 146,897.91 × 61,124.54
  4. Step 4: Simplify right side
    106,440.62x = 8,979,067,175.71
  5. Step 5: Solve for x
    x = 8,979,067,175.71/106,440.62
  6. Step 6: Final answer
    x = 84,357.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.