Home / 127,635.99-191,162.39-61,122.84

Finding the Fourth Proportional to 127,635.99, 191,162.39 and 61,122.84

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Solution

The fourth proportional to 127,635.99, 191,162.39 and 61,122.84 is: 91,544.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,635.99 : 191,162.39 = 61,122.84 : x
  2. Step 2: Convert to fraction form
    127,635.99/191,162.39 = 61,122.84/x
  3. Step 3: Cross multiply
    127,635.99x = 191,162.39 × 61,122.84
  4. Step 4: Simplify right side
    127,635.99x = 11,684,387,872.37
  5. Step 5: Solve for x
    x = 11,684,387,872.37/127,635.99
  6. Step 6: Final answer
    x = 91,544.62

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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.