Home / 90,722.54-136,085.72-33,017.82

Finding the Fourth Proportional to 90,722.54, 136,085.72 and 33,017.82

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Solution

The fourth proportional to 90,722.54, 136,085.72 and 33,017.82 is: 49,527.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,722.54 : 136,085.72 = 33,017.82 : x
  2. Step 2: Convert to fraction form
    90,722.54/136,085.72 = 33,017.82/x
  3. Step 3: Cross multiply
    90,722.54x = 136,085.72 × 33,017.82
  4. Step 4: Simplify right side
    90,722.54x = 4,493,253,642.44
  5. Step 5: Solve for x
    x = 4,493,253,642.44/90,722.54
  6. Step 6: Final answer
    x = 49,527.43

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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.