Home / 106,557.21-159,843.69-30,652.68

Finding the Fourth Proportional to 106,557.21, 159,843.69 and 30,652.68

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Solution

The fourth proportional to 106,557.21, 159,843.69 and 30,652.68 is: 45,981.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,557.21 : 159,843.69 = 30,652.68 : x
  2. Step 2: Convert to fraction form
    106,557.21/159,843.69 = 30,652.68/x
  3. Step 3: Cross multiply
    106,557.21x = 159,843.69 × 30,652.68
  4. Step 4: Simplify right side
    106,557.21x = 4,899,637,479.59
  5. Step 5: Solve for x
    x = 4,899,637,479.59/106,557.21
  6. Step 6: Final answer
    x = 45,981.29

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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.