Home / 109,122.56-163,690.76-34,245.66

Finding the Fourth Proportional to 109,122.56, 163,690.76 and 34,245.66

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Solution

The fourth proportional to 109,122.56, 163,690.76 and 34,245.66 is: 51,370.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,122.56 : 163,690.76 = 34,245.66 : x
  2. Step 2: Convert to fraction form
    109,122.56/163,690.76 = 34,245.66/x
  3. Step 3: Cross multiply
    109,122.56x = 163,690.76 × 34,245.66
  4. Step 4: Simplify right side
    109,122.56x = 5,605,698,112.10
  5. Step 5: Solve for x
    x = 5,605,698,112.10/109,122.56
  6. Step 6: Final answer
    x = 51,370.66

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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.