Home / 109,929.10-164,772.15-43,347.10

Finding the Fourth Proportional to 109,929.10, 164,772.15 and 43,347.10

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Solution

The fourth proportional to 109,929.10, 164,772.15 and 43,347.10 is: 64,972.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,929.10 : 164,772.15 = 43,347.10 : x
  2. Step 2: Convert to fraction form
    109,929.10/164,772.15 = 43,347.10/x
  3. Step 3: Cross multiply
    109,929.10x = 164,772.15 × 43,347.10
  4. Step 4: Simplify right side
    109,929.10x = 7,142,394,863.27
  5. Step 5: Solve for x
    x = 7,142,394,863.27/109,929.10
  6. Step 6: Final answer
    x = 64,972.74

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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.