Home / 109,751.78-164,625.10-50,587.45

Finding the Fourth Proportional to 109,751.78, 164,625.10 and 50,587.45

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Solution

The fourth proportional to 109,751.78, 164,625.10 and 50,587.45 is: 75,879.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,751.78 : 164,625.10 = 50,587.45 : x
  2. Step 2: Convert to fraction form
    109,751.78/164,625.10 = 50,587.45/x
  3. Step 3: Cross multiply
    109,751.78x = 164,625.10 × 50,587.45
  4. Step 4: Simplify right side
    109,751.78x = 8,327,963,637.33
  5. Step 5: Solve for x
    x = 8,327,963,637.33/109,751.78
  6. Step 6: Final answer
    x = 75,879.99

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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.