Home / 84,845.07-127,266.39-28,673.19

Finding the Fourth Proportional to 84,845.07, 127,266.39 and 28,673.19

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Solution

The fourth proportional to 84,845.07, 127,266.39 and 28,673.19 is: 43,009.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,845.07 : 127,266.39 = 28,673.19 : x
  2. Step 2: Convert to fraction form
    84,845.07/127,266.39 = 28,673.19/x
  3. Step 3: Cross multiply
    84,845.07x = 127,266.39 × 28,673.19
  4. Step 4: Simplify right side
    84,845.07x = 3,649,133,381.08
  5. Step 5: Solve for x
    x = 3,649,133,381.08/84,845.07
  6. Step 6: Final answer
    x = 43,009.37

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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.