Home / 109,052.49-163,578.80-34,178.47

Finding the Fourth Proportional to 109,052.49, 163,578.80 and 34,178.47

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Solution

The fourth proportional to 109,052.49, 163,578.80 and 34,178.47 is: 51,267.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,052.49 : 163,578.80 = 34,178.47 : x
  2. Step 2: Convert to fraction form
    109,052.49/163,578.80 = 34,178.47/x
  3. Step 3: Cross multiply
    109,052.49x = 163,578.80 × 34,178.47
  4. Step 4: Simplify right side
    109,052.49x = 5,590,873,108.44
  5. Step 5: Solve for x
    x = 5,590,873,108.44/109,052.49
  6. Step 6: Final answer
    x = 51,267.73

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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.