Home / 106,449.27-159,660.21-49,543.53

Finding the Fourth Proportional to 106,449.27, 159,660.21 and 49,543.53

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Solution

The fourth proportional to 106,449.27, 159,660.21 and 49,543.53 is: 74,308.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,449.27 : 159,660.21 = 49,543.53 : x
  2. Step 2: Convert to fraction form
    106,449.27/159,660.21 = 49,543.53/x
  3. Step 3: Cross multiply
    106,449.27x = 159,660.21 × 49,543.53
  4. Step 4: Simplify right side
    106,449.27x = 7,910,130,403.94
  5. Step 5: Solve for x
    x = 7,910,130,403.94/106,449.27
  6. Step 6: Final answer
    x = 74,308.92

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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.