Home / 109,738.85-151,451.90-61,995.27

Finding the Fourth Proportional to 109,738.85, 151,451.90 and 61,995.27

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Solution

The fourth proportional to 109,738.85, 151,451.90 and 61,995.27 is: 85,560.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,738.85 : 151,451.90 = 61,995.27 : x
  2. Step 2: Convert to fraction form
    109,738.85/151,451.90 = 61,995.27/x
  3. Step 3: Cross multiply
    109,738.85x = 151,451.90 × 61,995.27
  4. Step 4: Simplify right side
    109,738.85x = 9,389,300,787.07
  5. Step 5: Solve for x
    x = 9,389,300,787.07/109,738.85
  6. Step 6: Final answer
    x = 85,560.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.