Home / 106,535.70-159,694.20-62,139.60

Finding the Fourth Proportional to 106,535.70, 159,694.20 and 62,139.60

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Solution

The fourth proportional to 106,535.70, 159,694.20 and 62,139.60 is: 93,145.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,535.70 : 159,694.20 = 62,139.60 : x
  2. Step 2: Convert to fraction form
    106,535.70/159,694.20 = 62,139.60/x
  3. Step 3: Cross multiply
    106,535.70x = 159,694.20 × 62,139.60
  4. Step 4: Simplify right side
    106,535.70x = 9,923,333,710.32
  5. Step 5: Solve for x
    x = 9,923,333,710.32/106,535.70
  6. Step 6: Final answer
    x = 93,145.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.