Home / 127,908.09-191,889.81-49,022.37

Finding the Fourth Proportional to 127,908.09, 191,889.81 and 49,022.37

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Solution

The fourth proportional to 127,908.09, 191,889.81 and 49,022.37 is: 73,544.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,908.09 : 191,889.81 = 49,022.37 : x
  2. Step 2: Convert to fraction form
    127,908.09/191,889.81 = 49,022.37/x
  3. Step 3: Cross multiply
    127,908.09x = 191,889.81 × 49,022.37
  4. Step 4: Simplify right side
    127,908.09x = 9,406,893,265.05
  5. Step 5: Solve for x
    x = 9,406,893,265.05/127,908.09
  6. Step 6: Final answer
    x = 73,544.16

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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.