Home / 74,137.62-111,159.70-62,896.88

Finding the Fourth Proportional to 74,137.62, 111,159.70 and 62,896.88

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Solution

The fourth proportional to 74,137.62, 111,159.70 and 62,896.88 is: 94,305.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,137.62 : 111,159.70 = 62,896.88 : x
  2. Step 2: Convert to fraction form
    74,137.62/111,159.70 = 62,896.88/x
  3. Step 3: Cross multiply
    74,137.62x = 111,159.70 × 62,896.88
  4. Step 4: Simplify right side
    74,137.62x = 6,991,598,311.74
  5. Step 5: Solve for x
    x = 6,991,598,311.74/74,137.62
  6. Step 6: Final answer
    x = 94,305.68

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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.