Home / 106,090.70-146,409.80-58,345.79

Finding the Fourth Proportional to 106,090.70, 146,409.80 and 58,345.79

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Solution

The fourth proportional to 106,090.70, 146,409.80 and 58,345.79 is: 80,519.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,090.70 : 146,409.80 = 58,345.79 : x
  2. Step 2: Convert to fraction form
    106,090.70/146,409.80 = 58,345.79/x
  3. Step 3: Cross multiply
    106,090.70x = 146,409.80 × 58,345.79
  4. Step 4: Simplify right side
    106,090.70x = 8,542,394,420.96
  5. Step 5: Solve for x
    x = 8,542,394,420.96/106,090.70
  6. Step 6: Final answer
    x = 80,519.73

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1.5x scale

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.