Home / 106,545.76-159,777.09-39,949.60

Finding the Fourth Proportional to 106,545.76, 159,777.09 and 39,949.60

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Solution

The fourth proportional to 106,545.76, 159,777.09 and 39,949.60 is: 59,908.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,545.76 : 159,777.09 = 39,949.60 : x
  2. Step 2: Convert to fraction form
    106,545.76/159,777.09 = 39,949.60/x
  3. Step 3: Cross multiply
    106,545.76x = 159,777.09 × 39,949.60
  4. Step 4: Simplify right side
    106,545.76x = 6,383,030,834.66
  5. Step 5: Solve for x
    x = 6,383,030,834.66/106,545.76
  6. Step 6: Final answer
    x = 59,908.82

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1.5x scale

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.