Home / 109,822.74-164,789.28-43,310.58

Finding the Fourth Proportional to 109,822.74, 164,789.28 and 43,310.58

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Solution

The fourth proportional to 109,822.74, 164,789.28 and 43,310.58 is: 64,987.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,822.74 : 164,789.28 = 43,310.58 : x
  2. Step 2: Convert to fraction form
    109,822.74/164,789.28 = 43,310.58/x
  3. Step 3: Cross multiply
    109,822.74x = 164,789.28 × 43,310.58
  4. Step 4: Simplify right side
    109,822.74x = 7,137,119,294.58
  5. Step 5: Solve for x
    x = 7,137,119,294.58/109,822.74
  6. Step 6: Final answer
    x = 64,987.63

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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.