Home / 109,690.26-164,560-34,812.86

Finding the Fourth Proportional to 109,690.26, 164,560 and 34,812.86

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Solution

The fourth proportional to 109,690.26, 164,560 and 34,812.86 is: 52,227.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,690.26 : 164,560 = 34,812.86 : x
  2. Step 2: Convert to fraction form
    109,690.26/164,560 = 34,812.86/x
  3. Step 3: Cross multiply
    109,690.26x = 164,560 × 34,812.86
  4. Step 4: Simplify right side
    109,690.26x = 5,728,804,241.60
  5. Step 5: Solve for x
    x = 5,728,804,241.60/109,690.26
  6. Step 6: Final answer
    x = 52,227.10

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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.