Home / 105,778.08-158,672.40-34,694.41

Finding the Fourth Proportional to 105,778.08, 158,672.40 and 34,694.41

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Solution

The fourth proportional to 105,778.08, 158,672.40 and 34,694.41 is: 52,043.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,778.08 : 158,672.40 = 34,694.41 : x
  2. Step 2: Convert to fraction form
    105,778.08/158,672.40 = 34,694.41/x
  3. Step 3: Cross multiply
    105,778.08x = 158,672.40 × 34,694.41
  4. Step 4: Simplify right side
    105,778.08x = 5,505,045,301.28
  5. Step 5: Solve for x
    x = 5,505,045,301.28/105,778.08
  6. Step 6: Final answer
    x = 52,043.35

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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.