Home / 84,949.77-127,424.08-28,829.39

Finding the Fourth Proportional to 84,949.77, 127,424.08 and 28,829.39

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Solution

The fourth proportional to 84,949.77, 127,424.08 and 28,829.39 is: 43,243.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,949.77 : 127,424.08 = 28,829.39 : x
  2. Step 2: Convert to fraction form
    84,949.77/127,424.08 = 28,829.39/x
  3. Step 3: Cross multiply
    84,949.77x = 127,424.08 × 28,829.39
  4. Step 4: Simplify right side
    84,949.77x = 3,673,558,145.14
  5. Step 5: Solve for x
    x = 3,673,558,145.14/84,949.77
  6. Step 6: Final answer
    x = 43,243.89

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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.