Home / 45,418.05-68,108.85-17,328.51

Finding the Fourth Proportional to 45,418.05, 68,108.85 and 17,328.51

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Solution

The fourth proportional to 45,418.05, 68,108.85 and 17,328.51 is: 25,985.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,418.05 : 68,108.85 = 17,328.51 : x
  2. Step 2: Convert to fraction form
    45,418.05/68,108.85 = 17,328.51/x
  3. Step 3: Cross multiply
    45,418.05x = 68,108.85 × 17,328.51
  4. Step 4: Simplify right side
    45,418.05x = 1,180,224,888.31
  5. Step 5: Solve for x
    x = 1,180,224,888.31/45,418.05
  6. Step 6: Final answer
    x = 25,985.81

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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.