Home / 109,043.78-163,565.46-34,169.66

Finding the Fourth Proportional to 109,043.78, 163,565.46 and 34,169.66

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Solution

The fourth proportional to 109,043.78, 163,565.46 and 34,169.66 is: 51,254.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,043.78 : 163,565.46 = 34,169.66 : x
  2. Step 2: Convert to fraction form
    109,043.78/163,565.46 = 34,169.66/x
  3. Step 3: Cross multiply
    109,043.78x = 163,565.46 × 34,169.66
  4. Step 4: Simplify right side
    109,043.78x = 5,588,976,155.94
  5. Step 5: Solve for x
    x = 5,588,976,155.94/109,043.78
  6. Step 6: Final answer
    x = 51,254.42

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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.