Home / 45,872.06-68,791.58-15,878.15

Finding the Fourth Proportional to 45,872.06, 68,791.58 and 15,878.15

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Solution

The fourth proportional to 45,872.06, 68,791.58 and 15,878.15 is: 23,811.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,872.06 : 68,791.58 = 15,878.15 : x
  2. Step 2: Convert to fraction form
    45,872.06/68,791.58 = 15,878.15/x
  3. Step 3: Cross multiply
    45,872.06x = 68,791.58 × 15,878.15
  4. Step 4: Simplify right side
    45,872.06x = 1,092,282,791.16
  5. Step 5: Solve for x
    x = 1,092,282,791.16/45,872.06
  6. Step 6: Final answer
    x = 23,811.51

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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.