Home / 106,057.09-146,337.80-59,491.45

Finding the Fourth Proportional to 106,057.09, 146,337.80 and 59,491.45

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Solution

The fourth proportional to 106,057.09, 146,337.80 and 59,491.45 is: 82,086.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,057.09 : 146,337.80 = 59,491.45 : x
  2. Step 2: Convert to fraction form
    106,057.09/146,337.80 = 59,491.45/x
  3. Step 3: Cross multiply
    106,057.09x = 146,337.80 × 59,491.45
  4. Step 4: Simplify right side
    106,057.09x = 8,705,847,797.27
  5. Step 5: Solve for x
    x = 8,705,847,797.27/106,057.09
  6. Step 6: Final answer
    x = 82,086.43

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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.