Home / 103,135.05-154,706.22-33,005.25

Finding the Fourth Proportional to 103,135.05, 154,706.22 and 33,005.25

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Solution

The fourth proportional to 103,135.05, 154,706.22 and 33,005.25 is: 49,509.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,135.05 : 154,706.22 = 33,005.25 : x
  2. Step 2: Convert to fraction form
    103,135.05/154,706.22 = 33,005.25/x
  3. Step 3: Cross multiply
    103,135.05x = 154,706.22 × 33,005.25
  4. Step 4: Simplify right side
    103,135.05x = 5,106,117,467.66
  5. Step 5: Solve for x
    x = 5,106,117,467.66/103,135.05
  6. Step 6: Final answer
    x = 49,509.04

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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.