Home / 106,048.70-146,345.64-57,649.02

Finding the Fourth Proportional to 106,048.70, 146,345.64 and 57,649.02

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Solution

The fourth proportional to 106,048.70, 146,345.64 and 57,649.02 is: 79,554.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,048.70 : 146,345.64 = 57,649.02 : x
  2. Step 2: Convert to fraction form
    106,048.70/146,345.64 = 57,649.02/x
  3. Step 3: Cross multiply
    106,048.70x = 146,345.64 × 57,649.02
  4. Step 4: Simplify right side
    106,048.70x = 8,436,682,439.03
  5. Step 5: Solve for x
    x = 8,436,682,439.03/106,048.70
  6. Step 6: Final answer
    x = 79,554.79

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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.