Home / 106,359.40-146,766.18-61,028.20

Finding the Fourth Proportional to 106,359.40, 146,766.18 and 61,028.20

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Solution

The fourth proportional to 106,359.40, 146,766.18 and 61,028.20 is: 84,213.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,359.40 : 146,766.18 = 61,028.20 : x
  2. Step 2: Convert to fraction form
    106,359.40/146,766.18 = 61,028.20/x
  3. Step 3: Cross multiply
    106,359.40x = 146,766.18 × 61,028.20
  4. Step 4: Simplify right side
    106,359.40x = 8,956,875,786.28
  5. Step 5: Solve for x
    x = 8,956,875,786.28/106,359.40
  6. Step 6: Final answer
    x = 84,213.30

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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.