Home / 74,159.72-111,170.46-37,180.52

Finding the Fourth Proportional to 74,159.72, 111,170.46 and 37,180.52

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Solution

The fourth proportional to 74,159.72, 111,170.46 and 37,180.52 is: 55,736.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,159.72 : 111,170.46 = 37,180.52 : x
  2. Step 2: Convert to fraction form
    74,159.72/111,170.46 = 37,180.52/x
  3. Step 3: Cross multiply
    74,159.72x = 111,170.46 × 37,180.52
  4. Step 4: Simplify right side
    74,159.72x = 4,133,375,511.44
  5. Step 5: Solve for x
    x = 4,133,375,511.44/74,159.72
  6. Step 6: Final answer
    x = 55,736.13

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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.