Home / 106,138.00-146,471.16-57,740.37

Finding the Fourth Proportional to 106,138.00, 146,471.16 and 57,740.37

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Solution

The fourth proportional to 106,138.00, 146,471.16 and 57,740.37 is: 79,682.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,138.00 : 146,471.16 = 57,740.37 : x
  2. Step 2: Convert to fraction form
    106,138.00/146,471.16 = 57,740.37/x
  3. Step 3: Cross multiply
    106,138.00x = 146,471.16 × 57,740.37
  4. Step 4: Simplify right side
    106,138.00x = 8,457,298,889.54
  5. Step 5: Solve for x
    x = 8,457,298,889.54/106,138.00
  6. Step 6: Final answer
    x = 79,682.10

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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.