Home / 84,904.50-117,171.36-50,918.52

Finding the Fourth Proportional to 84,904.50, 117,171.36 and 50,918.52

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Solution

The fourth proportional to 84,904.50, 117,171.36 and 50,918.52 is: 70,269.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,904.50 : 117,171.36 = 50,918.52 : x
  2. Step 2: Convert to fraction form
    84,904.50/117,171.36 = 50,918.52/x
  3. Step 3: Cross multiply
    84,904.50x = 117,171.36 × 50,918.52
  4. Step 4: Simplify right side
    84,904.50x = 5,966,192,237.59
  5. Step 5: Solve for x
    x = 5,966,192,237.59/84,904.50
  6. Step 6: Final answer
    x = 70,269.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.